Directed by
| Donald Driver | ||
Writing Credits
| Donald Driver | ... | (screenwriter) |
| Desmond Morris | ... | (book) |
Cast (in credits order) complete, awaiting verification
| Johnny Crawford | ... | Lee | |
| Victoria Principal | ... | Cathy | |
| Dennis Olivieri | ... | Arnie | |
| Diana Darrin | ... | Fat Woman | |
| Norman Grabowski | ... | Sargent | |
| John Hillerman | ... | Psychiatrist | |
 |
Helen Horowitz | ... | Fat Child |
| Robert Ito | ... | Samurai Warrior | |
| Marvin Miller | ... | Fat Man | |
| Frank Parker | ... | College Professor (as Brett Parker) | |
Produced by
| Zev Bufman | ... | producer |
| Jerry D. Good | ... | producer (as Jerry Good) |
| Hugh Hefner | ... | executive producer (as Hugh M. Hefner) |
| Jennings Lang | ... | executive producer (uncredited) |
| Paul Lewis | ... | associate producer |
Music by
| Jimmy Webb | ||
Cinematography by
| John A. Alonzo | ... | director of photography (as John Alonzo) |
Editing by
| Michael Economou | ||
| Robert L. Wolfe | ||
Casting By
| John Morgan Evans | ||
Production Design by
| Lawrence G. Paull | ||
Set Decoration by
| Nicholas J. Romanac | ... | (as Nick Romanac) |
Makeup Department
| Ted Coodley | ... | makeup artist |
| Clay Lambert | ... | makeup artist (uncredited) |
| Donisia Moran | ... | hairdresser (uncredited) |
Production Management
| Sherm Thompson | ... | animation production manager |
| Jerome M. Zeitman | ... | executive in charge of production (as Jerome Zeitman) |
| Charles Clement | ... | post production operations head (uncredited) |
Second Unit Director or Assistant Director
| Stuart Fleming | ... | assistant director |
| Irby Smith | ... | second assistant director |
| Amy Keshen | ... | second assistant director (uncredited) |
Art Department
| John Clark | ... | graphic designer |
| Corny Cole | ... | graphic designer |
| Vincent Davis | ... | graphic designer (as Vince Davis) |
| Catherine Leary | ... | graphic designer |
| Gary Lund | ... | graphic designer |
| David McMacken | ... | graphic designer |
| Cal Schenkel | ... | graphic designer (as Calvin Schenkel) |
| Red Fletcher | ... | props (uncredited) |
Sound Department
| Les Fresholtz | ... | sound |
| Ronald Pierce | ... | re-recordist |
| Mason Owens | ... | boom operator (uncredited) |
Camera and Electrical Department
| Wally Bulloch | ... | animation photography (as Wally Bullock) |
| Kenneth Adams | ... | key grip (uncredited) |
| Greer Cavagnaro | ... | still photographer (uncredited) |
| Randy Glass | ... | best boy (uncredited) |
| Richard Hart | ... | gaffer (uncredited) |
| Harry Rez | ... | dolly grip (uncredited) |
| Harry Walsh | ... | camera operator (uncredited) |
| Mike Walsh | ... | assistant camera (uncredited) |
| Joseph M. Wilcots | ... | assistant camera (uncredited) |
Animation Department
| Maria Alvarez | ... | graphic production |
| Jane Baer | ... | animation assistant (as Jane Takamoto) |
| Corny Cole | ... | animator |
| Fred Craig | ... | graphic production |
| Retta Davidson | ... | animation assistant (as Redda Davidson) |
| Vincent Davis | ... | animator (as Vince Davis) |
| Wilma Guenot | ... | graphic production |
| Kelly Hart | ... | animator: evolution painting sequence |
| Mark Kausler | ... | animation assistant |
| Teresa Loewy | ... | animation assistant (as Terry Loewy) |
| John McGuire | ... | animator |
| Loni Miller | ... | graphic production |
| Russ Mooney | ... | animation assistant (as Russel Mooney) |
| Jimmy T. Murakami | ... | animator (as Jimmy Murakami) |
| Ann Oliphant | ... | animation checker |
| Cal Schenkel | ... | animator (as Calvin Schenkel) |
| Fumiko R. Sommer | ... | graphic production (as Fumiko Roche) |
| Charles Swenson | ... | director of animation |
| Kunimi Terada | ... | graphic production |
| Fred Wolf | ... | animator |
| Elizabeth Wright | ... | graphic production |
Costume and Wardrobe Department
| Jerry Alpert | ... | wardrobe: men (uncredited) |
| Diana Bernay | ... | wardrobe: women (uncredited) |
Editorial Department
| Donald Douglas | ... | editorial consultant |
| Rich Harrison | ... | editor: animation |
Location Management
| Robert Eggenweiler | ... | location representative (uncredited) |
| Ted Langwell | ... | location representative (uncredited) |
| Meryle Selinger | ... | location auditor (uncredited) |
Music Department
| Betty Walberg | ... | musical concepts (as Betty Wahlberg) |
| Jimmy Webb | ... | conductor |
Script and Continuity Department
| Adell Aldrich | ... | script supervisor (as Adell Bravos) |
Transportation Department
| Dale Henry | ... | transportation (uncredited) |
Additional Crew
| Alan Johnson | ... | choreography for gymnasts |
| Bob Yeager | ... | unit publicist (uncredited) |
