 | Julie London | ... | Nurse Dixie McCall / ... (135 episodes, 1972-1979) |
 | Bobby Troup | ... | Dr. Joe Early / ... (135 episodes, 1972-1979) |
 | Robert Fuller | ... | Dr. Kelly Brackett / ... (135 episodes, 1972-1979) |

| Randolph Mantooth | ... | Paramedic Johnny Gage / ... (133 episodes, 1972-1979) |
 | Kevin Tighe | ... | Paramedic Roy DeSoto / ... (133 episodes, 1972-1979) |
 | Tim Donnelly | ... | Firefighter Chester 'Chet' Kelly / ... (125 episodes, 1972-1978) |
 | Marco López | ... | Marco Lopez / ... (124 episodes, 1972-1978) |
 | Mike Stoker | ... | Engineer Mike Stoker / ... (124 episodes, 1972-1978) |
 | Michael Norell | ... | Captain Hank Stanley (108 episodes, 1972-1978) |
 | Harold 'Hal' Frizzell | ... | Ambulance Attendant / ... (64 episodes, 1972-1978) |
 | Angelo De Meo | ... | Ambulance Attendant / ... (45 episodes, 1972-1978) |
 | Vince Howard | ... | Police Officer Vince, LASD / ... (43 episodes, 1972-1978) |
 | Scott Gourlay | ... | Police Officer / ... (43 episodes, 1972-1977) |
 | George Orrison | ... | Ambulance Attendant / ... (23 episodes, 1973-1977) |
 | William Bryant | ... | Captain / ... (19 episodes, 1972-1978) |
 | Art Balinger | ... | Battalion Chief / ... (15 episodes, 1972-1978) |
 | Henry | ... | Henry - Station Mascot / ... (15 episodes, 1976-1977) |
 | Ron Pinkard | ... | Doctor Morton / ... (11 episodes, 1972-1977) |
 | Craig Chudy | ... | Police Officer / ... (11 episodes, 1972-1976) |
 | William Boyett | ... | Chief McConn / ... (9 episodes, 1976-1978) |

| Thomas Rosales Jr. | ... | Orderly / ... (9 episodes, 1973-1977) |
 | Michele Noval | ... | Nurse Michele / ... (9 episodes, 1974-1978) |
 | Ted Gehring | ... | Barney McMillan / ... (8 episodes, 1972-1978) |
 | Virginia Gregg | ... | Wilma Jacobs, R.N. / ... (8 episodes, 1972-1976) |
 | Lew Brown | ... | Man with ulcer / ... (7 episodes, 1972-1976) |
 | Scott Arthur Allen | ... | Fireman Kirk / ... (6 episodes, 1972-1976) |
 | Ann Morgan Guilbert | ... | Woman in trouble / ... (6 episodes, 1972-1976) |
 | Boot | ... | Station Mascot (6 episodes, 1972-1975) |
 | Barbara M. Benson | ... | Nurse Gail (6 episodes, 1972-1973) |
 | Deidre Hall | ... | Nurse Sally Lewis (6 episodes, 1972-1973) |
 | Lillian Lehman | ... | Carol Williams (6 episodes, 1972-1973) |

| Steven Marlo | ... | Battalion Chief 14 / ... (6 episodes, 1973-1978) |
 | Mary Angela Shea | ... | Nurse / ... (6 episodes, 1973-1977) |
 | Kyle Anderson | ... | Nurse at Reception / ... (6 episodes, 1974-1977) |
 | Anne Schedeen | ... | Carol / ... (6 episodes, 1974-1976) |
 | Gary Crosby | ... | Tom Wheeler / ... (5 episodes, 1972-1975) |
 | John Price | ... | Firefighter Specialist Price, LACoFD / ... (5 episodes, 1972-1977) |
 | Jan Arvan | ... | Bert Martin / ... (5 episodes, 1972-1976) |

| Colby Chester | ... | Fireman Tony Freeman / ... (5 episodes, 1972-1976) |
 | Anne Whitfield | ... | Betty Johnson / ... (5 episodes, 1972-1975) |
 | Mark Russell | ... | Charles Johnson / ... (5 episodes, 1972-1974) |

| Steve Stafford | ... | Paramedic Steve / ... (5 episodes, 1972-1974) |
 | Patricia Mickey | ... | Nurse Sharon Walters (5 episodes, 1972-1973) |
 | Chris Forbes | ... | Ellen / ... (5 episodes, 1972) |

| Jesse Wayne | ... | Foreman / ... (5 episodes, 1973-1976) |

| Jim B. Smith | ... | Sergeant / ... (5 episodes, 1974-1977) |
 | James McEachin | ... | Julius Clark / ... (4 episodes, 1973-1977) |
 | Ronnie Schell | ... | Allan Hendricks / ... (4 episodes, 1973-1976) |

| Jean Allison | ... | Dorothy Clark / ... (4 episodes, 1972-1977) |

| Randall Carver | ... | Gene Wright / ... (4 episodes, 1972-1977) |
 | Herb Vigran | ... | Committee chairman / ... (4 episodes, 1972-1977) |
 | Ray Ballard | ... | Encyclopedia Salesman / ... (4 episodes, 1972-1976) |
 | Kathleen O'Malley | ... | Woman at cave-in / ... (4 episodes, 1972-1976) |
 | Don Ross | ... | Man at boatyard / ... (4 episodes, 1972-1976) |
 | Kathryn Kelly Wiget | ... | Joanne Desoto / ... (4 episodes, 1972-1976) |
 | Sam Lanier | ... | Radio Dispatcher (4 episodes, 1972-1973) |
 | Kip Niven | ... | Billy Hanks / ... (4 episodes, 1972-1973) |
 | George Sawaya | ... | Injured Stuntman / ... (4 episodes, 1972-1973) |
 | Bennye Gatteys | ... | Ann / ... (4 episodes, 1973-1976) |
 | Ross Elliott | ... | Foreman / ... (4 episodes, 1973-1975) |
 | Dick Yarmy | ... | Coach / ... (4 episodes, 1973-1975) |
 | J. Pat O'Malley | ... | Grandpaw George Ryerson / ... (3 episodes, 1972-1975) |
 | Charles Robinson | ... | Alan Benedict / ... (3 episodes, 1974-1976) |
 | Michael Conrad | ... | Bob Hurley / ... (3 episodes, 1973-1975) |

| Zina Bethune | ... | Beth Johnson / ... (3 episodes, 1973-1976) |

| Patty McCormack | ... | Janet Caldwell (3 episodes, 1972-1979) |
 | Ellen Moss | ... | Donna Williams / ... (3 episodes, 1972-1977) |
 | Robert Pratt | ... | Alexander Walcott Smith / ... (3 episodes, 1972-1977) |
 | Hal Baylor | ... | Animal Trainer / ... (3 episodes, 1972-1976) |
 | Morgan Jones | ... | Battalion Chief / ... (3 episodes, 1972-1976) |
 | Jack Kruschen | | (3 episodes, 1972-1976) |

| Kent McCord | ... | Officer Jim Reed (3 episodes, 1972-1976) |
 | Martin Milner | ... | Officer Pete Malloy (3 episodes, 1972-1976) |
 | Joseph V. Perry | ... | Crane Operator / ... (3 episodes, 1972-1976) |
 | Brad Savage | ... | Boy / ... (3 episodes, 1972-1976) |
 | Len Wayland | ... | Police Sergeant at Rampart (3 episodes, 1972-1976) |
 | Bill McLean | ... | Elbert Krinkle / ... (3 episodes, 1972-1975) |
 | Dennis Patrick | ... | Dr. Kent Donaldson, Sr / ... (3 episodes, 1972-1975) |
 | Laurette Spang | ... | Betsy / ... (3 episodes, 1972-1975) |
 | Brooke Bundy | ... | Ann / ... (3 episodes, 1972-1974) |
 | Michael Richardson | ... | Artie Howarth / ... (3 episodes, 1972-1974) |

| Sandra de Bruin | ... | Betty Lewis / ... (3 episodes, 1972-1973) |
 | Frank Maxwell | ... | Captain #113 / ... (3 episodes, 1972-1973) |
 | Don Pulford | ... | Police Officer at Junkyard / ... (3 episodes, 1972-1973) |
 | Ronne Troup | ... | Judy / ... (3 episodes, 1972-1973) |
 | Larry Manetti | ... | Bert Dwyer / ... (3 episodes, 1973-1979) |
 | Kenneth Tobey | ... | Captain Gordon Trigg / ... (3 episodes, 1973-1978) |
 | Buck Young | ... | Captain - Engine *85, LACoFD / ... (3 episodes, 1973-1978) |
 | Helen Page Camp | ... | First Woman / ... (3 episodes, 1973-1975) |
 | Bing Russell | ... | Carl Wilson / ... (3 episodes, 1973-1975) |
 | Yvonne Craig | ... | Edna Johnson (3 episodes, 1973-1974) |
 | John Lawrence | ... | Arlen McCoy / ... (3 episodes, 1974-1979) |
 | Brendon Boone | ... | Motorcyclist / ... (3 episodes, 1974-1978) |
 | Paul Brinegar | ... | Grady / ... (3 episodes, 1974-1976) |
 | J.B. Friend | ... | Firefighter Dick Friend, LACoFD / ... (3 episodes, 1974-1976) |
 | Milton Frome | ... | Jed Roland / ... (3 episodes, 1974-1976) |
 | Del Monroe | ... | Policeman / ... (3 episodes, 1974-1976) |
 | Vernon Weddle | ... | Charlie / ... (3 episodes, 1974-1976) |
 | Laurie Burton | ... | Harriet / ... (3 episodes, 1974-1975) |
 | Aneta Corsaut | ... | Chuck's Wife / ... (3 episodes, 1974-1975) |

| Brian Cutler | ... | Paramedic Tom Dwyer - Squad *51, LACoFD / ... (3 episodes, 1974-1975) |
 | Patch Mackenzie | ... | Martha / ... (3 episodes, 1974-1975) |
 | Christopher S. Nelson | ... | Amy´s Boyfriend / ... (3 episodes, 1974-1975) |
 | William Wintersole | ... | Julius / ... (3 episodes, 1974-1975) |
 | W.T. Zacha | ... | Bouncer / ... (3 episodes, 1974-1975) |
 | Bill Zuckert | ... | Bill Nelson / ... (3 episodes, 1975-1978) |
 | Marla Adams | ... | Rita Hudson / ... (3 episodes, 1975-1977) |
 | Richard Bakalyan | ... | Charley / ... (3 episodes, 1975-1977) |

| Gil Serna | ... | Captain, Engine *18, LACoFD (3 episodes, 1975-1977) |
 | James Ingersoll | ... | David Cort / ... (3 episodes, 1975-1976) |
 | Duane Lewis | ... | 1st LA County Dispatcher, LACoFD / ... (3 episodes, 1976-1978) |
 | Linda Stuart | ... | Dr. Jean Wilson / ... (3 episodes, 1976-1978) |
 | James G. Richardson | ... | Craig Brice / ... (3 episodes, 1976-1977) |
 | Deirdre Lenihan | ... | Laurie Campbell / ... (3 episodes, 1977-1979) |
 | Robert Hoff | ... | Firefighter, LACoFD / ... (3 episodes, 1977-1978) |
 | John de Lancie | ... | Dr. DeRoy / ... (3 episodes, 1978-1979) |
 | Dick Hammer | ... | Captain Dick Hammer / ... (2 episodes, 1972) |

| Dick Van Patten | ... | Carter Merkle / ... (2 episodes, 1972-1976) |
 | Walter Mathews | ... | Attorney with Heart Attack / ... (2 episodes, 1974-1977) |
 | Anne Seymour | ... | Former Head Nurse Mille Eastman / ... (2 episodes, 1974-1976) |

| Dawn Lyn | ... | Jean Clark / ... (2 episodes, 1972-1976) |
 | Annette Charles | ... | Mrs. Harrow / ... (2 episodes, 1972-1974) |
 | Bernard Fox | ... | Eldridge / ... (2 episodes, 1975) |
 | Royal Dano | ... | Hallucinating Man (2 episodes, 1972-1976) |
 | Laurie Bartram | ... | Jill / ... (2 episodes, 1973) |
 | Bill Baldwin | ... | Carl Evans / ... (2 episodes, 1972) |
 | Eric Server | ... | Bill Williams / ... (2 episodes, 1972-1978) |
 | Jay Hammer | ... | Paramedic Charlie, Squad *51, LACoFD / ... (2 episodes, 1972-1977) |
 | Frank Aletter | ... | Roger Mundell (2 episodes, 1972-1976) |
 | Coleen Gray | ... | Clair Brightweiser / ... (2 episodes, 1972-1976) |
 | Bert Holland | ... | Convention Center Manager / ... (2 episodes, 1972-1976) |
 | Meg Wyllie | ... | Mrs. Pastone / ... (2 episodes, 1972-1976) |
 | Paul Fix | ... | Maxwell Hart / ... (2 episodes, 1972-1975) |
 | Kirby Furlong | ... | Boy in Plane / ... (2 episodes, 1972-1975) |

| Sharon Gless | ... | Sculptor / ... (2 episodes, 1972-1975) |
 | Savannah Bentley | ... | Karen Wilson / ... (2 episodes, 1972-1974) |
 | Lillian Bronson | ... | Norma / ... (2 episodes, 1972-1974) |
 | James Byrd | ... | 2nd Police Officer, LAPD / ... (2 episodes, 1972-1974) |
 | William Campbell | ... | Ned Turner / ... (2 episodes, 1972-1974) |
 | Jack Dodson | ... | George / ... (2 episodes, 1972-1974) |
 | Roger Perry | ... | Gentry (2 episodes, 1972-1974) |
 | Jessica Rains | ... | Edna / ... (2 episodes, 1972-1974) |
 | John Rayner | ... | Doctor / ... (2 episodes, 1972-1974) |
 | Josh Albee | ... | Boy / ... (2 episodes, 1972-1973) |
 | Don Carter | ... | Tim West (2 episodes, 1972-1973) |
 | Bobby Eilbacher | ... | 3rd Boy / ... (2 episodes, 1972-1973) |
 | Sarah Fankboner | ... | Grace Corbett (2 episodes, 1972-1973) |

| Jamie Farr | ... | Alan Austen (2 episodes, 1972-1973) |
 | Art Gilmore | ... | Battalion Chief (2 episodes, 1972-1973) |
 | William Henry | ... | Second Captain (2 episodes, 1972-1973) |
 | George Ives | ... | Party Guest / ... (2 episodes, 1972-1973) |
 | Iris Korn | ... | Nora Hostetler / ... (2 episodes, 1972-1973) |
 | Susan Madigan | ... | Carol / ... (2 episodes, 1972-1973) |
 | Jock Mahoney | ... | Hoyt Herrold / ... (2 episodes, 1972-1973) |
 | Victor Mohica | ... | Husband / ... (2 episodes, 1972-1973) |
 | Pamela Peters | ... | Angie Harper / ... (2 episodes, 1972-1973) |
 | Joe Pizzorusso | ... | Joe Wilson / ... (2 episodes, 1972-1973) |
 | Dennis Rucker | ... | Jay Hopper / ... (2 episodes, 1972-1973) |
 | Jackie Russell | ... | Judy Mundell / ... (2 episodes, 1972-1973) |

| Barbara Sigel | ... | April Rawlins / ... (2 episodes, 1972-1973) |
 | Arnold Stang | ... | Arthur Merkl / ... (2 episodes, 1972-1973) |
 | Ezra Stone | ... | Boris Miller (2 episodes, 1972-1973) |

| Larry Storch | ... | Ben Wesley / ... (2 episodes, 1972-1973) |
 | Virginia Vincent | ... | Martha Gilmore / ... (2 episodes, 1972-1973) |
 | Mitch Carter | ... | Danny Loring (2 episodes, 1972) |
 | Christine Dickinson | ... | Bitsey Jonas / ... (2 episodes, 1972) |
 | Marilyn Hassett | ... | Cynthia / ... (2 episodes, 1972) |
 | Bob Hastings | ... | Drunk Driver / ... (2 episodes, 1972) |
 | Candace Howerton | ... | Genevieve McCurtain / ... (2 episodes, 1972) |
 | Victor Izay | ... | Arthur Grey / ... (2 episodes, 1972) |
 | Drout Miller | ... | First Suspect / ... (2 episodes, 1972) |
 | John Smith | ... | Captain Van Orden, Station 51, LACoFD (2 episodes, 1972) |
 | Dee Carroll | ... | Maureen Cox (2 episodes, 1973-1977) |
 | James Griffith | ... | Joe / ... (2 episodes, 1973-1977) |
 | Kedric Wolfe | ... | Duke (2 episodes, 1973-1977) |
 | Lucille Benson | ... | Annie / ... (2 episodes, 1973-1976) |
 | Jack Carter | ... | Game Announcer / ... (2 episodes, 1973-1976) |
 | Walt Davis | ... | Foreman (2 episodes, 1973-1976) |
 | Wayne Heffley | ... | Holt / ... (2 episodes, 1973-1976) |
 | Warren Berlinger | ... | Frank Fennady / ... (2 episodes, 1973-1975) |
 | Joyce Jameson | ... | Harriet / ... (2 episodes, 1973-1975) |

| Linda Kelsey | ... | Pam Burke / ... (2 episodes, 1973-1975) |
 | Robert Patten | ... | Police Captain / ... (2 episodes, 1973-1975) |
 | Lorraine Baptist | ... | Receptionist (2 episodes, 1973-1974) |
 | John Carter | ... | Bernie (2 episodes, 1973-1974) |
 | Ty Henderson | ... | Frank / ... (2 episodes, 1973-1974) |

| Stephen Manley | ... | Jackie, Valerie's Son / ... (2 episodes, 1973-1974) |
 | Jack Manning | ... | Dr. Frye / ... (2 episodes, 1973-1974) |
 | Terrence O'Connor | ... | Anne Porter / ... (2 episodes, 1973-1974) |
 | Phillip Pine | ... | Dr. Bailey (2 episodes, 1973-1974) |
 | Ann Prentiss | ... | Cindy's Mother / ... (2 episodes, 1973-1974) |
 | Dub Taylor | ... | George / ... (2 episodes, 1973-1974) |
 | Ann Doran | ... | Hannah / ... (2 episodes, 1973) |
 | Michael Morgan | ... | Kid / ... (2 episodes, 1973) |
 | Karen Philipp | ... | First Nurse / ... (2 episodes, 1973) |
 | Mina Vasquez | ... | Student Nurse (2 episodes, 1973) |
 | Heidi Winston | ... | Nurse / ... (2 episodes, 1973) |

| Frank Farmer | ... | 2nd Fire Victim / ... (2 episodes, 1974-1977) |

| Charlie Picerni | ... | Junkyard Worker #1 / ... (2 episodes, 1974-1977) |

| Linda Dano | ... | Lora Gibson (2 episodes, 1974-1976) |
 | Holly Irving | ... | First Woman / ... (2 episodes, 1974-1976) |
 | Allan MacLeod | ... | Mac, the Helicopter Pilot / ... (2 episodes, 1974-1976) |
 | Bill Quinn | ... | Haley / ... (2 episodes, 1974-1976) |
 | Joan Shawlee | ... | Heather / ... (2 episodes, 1974-1976) |
 | Peggy Stewart | ... | Claire Freeman / ... (2 episodes, 1974-1976) |
 | Timothy Blake | | (2 episodes, 1974-1975) |
 | Leigh Christian | ... | Mrs. Johnson / ... (2 episodes, 1974-1975) |
 | Heath Jobes | ... | Jarrod T. Hill / ... (2 episodes, 1974-1975) |
 | Dolores Mann | ... | Marge Jenkins / ... (2 episodes, 1974-1975) |
 | Ruth McDevitt | ... | Mrs. Quincy (2 episodes, 1974-1975) |
 | Peggy Mondo | ... | Pizza Place Owner (2 episodes, 1974-1975) |
 | Stack Pierce | ... | Driver / ... (2 episodes, 1974-1975) |
 | Adrian Ricard | ... | Post Delivering Woman / ... (2 episodes, 1974-1975) |
 | Hal Bokar | ... | Driver / ... (2 episodes, 1974) |
 | Reb Brown | ... | Frat Member / ... (2 episodes, 1974) |
 | Paul Bryar | | (2 episodes, 1974) |
 | Don Mantooth | ... | Paramedic 95 (2 episodes, 1974) |
 | Eric Shea | ... | Clyde / ... (2 episodes, 1974) |
 | T. Miratti | ... | Bob Ryan / ... (2 episodes, 1975-1978) |
 | Gretchen Corbett | ... | Mary Lynn Smith / ... (2 episodes, 1975-1976) |
 | Florence Lake | ... | Maggie / ... (2 episodes, 1975-1976) |
 | Johnny Miller | ... | Tar Man / ... (2 episodes, 1975-1976) |
 | Elisabeth Brooks | ... | Betsy / ... (2 episodes, 1975) |
 | Barry Cahill | ... | City Captain / ... (2 episodes, 1975) |
 | Bill Conklin | | (2 episodes, 1975) |
 | Joan Crosby | | (2 episodes, 1975) |
 | Moosie Drier | ... | Rick Jenkins (2 episodes, 1975) |

| Lin McCarthy | ... | Mr. Walt Johnson (2 episodes, 1975) |
 | Burt Mustin | ... | Grandpa / ... (2 episodes, 1975) |

| Cliff Osmond | ... | Clyde / ... (2 episodes, 1975) |
 | Peter Palmer | ... | Sam (2 episodes, 1975) |

| Linda Gray | ... | Evelyn Davis / ... (2 episodes, 1976-1978) |
 | Robert Karnes | ... | Cheryl's Father / ... (2 episodes, 1976-1978) |

| Zitto Kazann | ... | Alvie (2 episodes, 1976-1977) |
|