Directed by
| James Goldstone | ||
Writing Credits (in alphabetical order)
| Ernest Kinoy | ||
Cast (in credits order)
| Sidney Poitier | ... | John Kane | |
| Will Geer | ... | Doc Thomas | |
| Bradford Dillman | ... | Lloyd Thomas | |
| Beverly Todd | ... | Louisa MacGill | |
| Ramon Bieri | ... | Orly Ball | |
| Warren J. Kemmerling | ... | George | |
| Lincoln Kilpatrick | ... | Charley Gray | |
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P. Jay Sidney | ... | Rev. MacGill |
| Richard Ward | ... | Frank | |
| Paul Winfield | ... | Henry Birkardt | |
| Zara Cully | ... | Miss Nettie | |
| Michael Bell | ... | Cleve | |
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Howard Rice | ... | Jimmy |
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Darlene Rice | ... | Marsha |
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Harry Davis | ... | Turnkey |
| Lynn Hamilton | ... | Sarah | |
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Gene Tyburn | ... | Calvin |
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E.A. Nicholson | ... | Perry |
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Billy Crane | ... | Bill Jones (as Bill Crane) |
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Richard Bay | ... | Lab Deputy |
| John Hancock | ... | Henry's Friend | |
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Lynn Arden | ... | Nurse (as Lynne Arden) |
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William Houze | ... | Motel Owner |
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Maye Henderson | ... | Neighbor |
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Lois Smith | ... | Neighbor |
Produced by
| Joel Glickman | ... | producer |
| Sidney Poitier | ... | executive producer (uncredited) |
Music by
| Quincy Jones | ... | (music by) |
Cinematography by
| Gerald Perry Finnerman | ||
Editing by
| Edward A. Biery | ||
Casting By
| Billy Gordon | ||
Art Direction by
| Albert Brenner | ... | (as Al Brenner) |
Set Decoration by
| Audrey A. Blasdel | ... | (as Audrey Blasdel) |
Costume Design by
| Guy C. Verhille | ||
Makeup Department
| Al Fleming | ... | makeup artist |
Production Management
| Herb Wallerstein | ... | unit production manager |
Second Unit Director or Assistant Director
| Thomas J. Schmidt | ... | first assistant director (as Tom Schmidt) |
| Charles Washburn | ... | second assistant director |
| William Crain | ... | intern director (uncredited) |
Art Department
| Edward Aiona | ... | assistant propman (as Eddie Aiona) |
| John Anderson | ... | lead man |
| Ernie Phillips | ... | scenic artist |
| Hank Stonecipher | ... | construction chief (as Henry Stonecipher) |
| George Tuers | ... | lead man (as George Tuers II) |
| Rich Valesko | ... | property master (as Richie Valesko) |
Sound Department
| Gene S. Cantamessa | ... | boom operator (as Gene Cantamessa) |
| Arthur Piantadosi | ... | dubbing mixer (as Arturo Piantadosi) |
| William Randall | ... | sound mixer |
| Bob Simpson | ... | second boom man (as Robert Simpson) |
| Eddie Trujillo | ... | sound intern (uncredited) |
Special Effects by
| Geza Gaspar | ... | special effects |
Camera and Electrical Department
| Robert E. Gaynor | ... | grip (as Bob Gaynor) |
| William W. Gillohm | ... | still photographer (as Bill Gillohm) |
| Joe Jackman | ... | camera operator |
| Bill Johnson | ... | camera operator |
| John Livesley | ... | key grip (as John Livesly) |
| Don Merhoff | ... | electrician |
| George H. Merhoff | ... | gaffer (as George Merhoff) |
| Anthony Pistone | ... | electrician (as Tony Pistone) |
| Paul M. Pollard | ... | assistant camera (as Paul Pollard) |
| Harold Rabuse | ... | grip |
| Eugene Simpson | ... | electrician (as Gene Simpson) |
| Bradley B. Six | ... | assistant camera (as Brad Six) |
| Ward Stout | ... | electrician |
| Joseph M. Wilcots | ... | assistant camera (as Joe Wilcots) |
| Eddie Willis | ... | grip |
| Sidney Ray Baldwin | ... | camera intern (uncredited) |
Costume and Wardrobe Department
| Ermon Sessions | ... | wardrobe (as Ermon Session) |
| Aida Swinson | ... | wardrobe |
| Guy C. Verhille | ... | costumer (as Guy Verhille) |
Editorial Department
| Garner M.J. Morris | ... | assistant film editor |
| Jason Starks | ... | apprentice film editor |
Location Management
| Vince Martinez | ... | location auditor |
| Leo Yates | ... | location coordinator |
Music Department
| Toots Thielemans | ... | musician: harmonica solo |
| Stan Witt | ... | music editor (as Stanley Witt) |
| Emil Richards | ... | musician: drums, percussion (uncredited) |
Script and Continuity Department
| Malcolm Atterbury Jr. | ... | continuity supervisor |
| Esperanza Vasquez | ... | script girl (uncredited) |
Transportation Department
| Bruce Petty | ... | transportation |
Additional Crew
| Mickey Chonos | ... | cuisiner (as Mickey Chomos) |
| Jake McKinney | ... | publicist |
| George G. Miller | ... | first aid (as George C. Miller) |
| James Pike | ... | craft service |
| John Dolan | ... | projectionist (uncredited) |
| James Donnaldson | ... | zoological specialist (uncredited) |
| Terry McNeely | ... | assistant: Sidney Poitier (uncredited) |
| Shirley Spangler | ... | secretary: Joel Glickman (uncredited) |
| Esperanza Vasquez | ... | intern (uncredited) |
