| Person | Type | Job | Role(s) |
|---|---|---|---|
 Barbara Gallagher | Crew | Production | Casting |
Eric D. Andersen | Crew | Camera | First Assistant Camera |
Frank E. Warner | Crew | Sound | Sound Effects |
Harry Ray | Crew | Costume & Make-Up | Makeup Artist |
Jack Erickson | Crew | Crew | Special Effects |
 Jack Lemmon | Crew | Directing | Director |
Jack Poplin | Crew | Art | Art Direction |
Jack Solomon | Crew | Sound | Sound |
James R. Connell | Crew | Camera | Camera Operator |
Jean Austin | Crew | Costume & Make-Up | Hairdresser |
Jeremy Lepard | Crew | Visual Effects | Visual Effects, Title Designer, Additional Editing |
 James Plannette | Crew | Lighting | Best Boy Lighting Technician |
John A. Anderson | Crew | Costume & Make-Up | Costume Design |
Katharine Topkins | Crew | Writing | Novel |
Leon Chooluck | Crew | Production | Production Supervisor |
 Marvin Hamlisch | Crew | Sound | Original Music Composer |
 Ralph E. Winters | Crew | Editing | Editor |
 Richard Carter | Crew | Production | Producer |
 Richard H. Kline | Crew | Camera | Director of Photography |
Richard Portman | Crew | Sound | Recording Supervision |
William Kiernan | Crew | Art | Set Decoration |
Robert Willoughby | Crew | Camera | Still Photographer |
Charles Dismukes | Crew | Directing | Assistant Director |
John Paxton | Crew | Writing | Screenplay |
Richard M. Rubin | Crew | Art | Props |
Irving Rosenblum | Crew | Editing | Assistant Editor |
Tim Griffith | Crew | Lighting | Gaffer |
Hal Shiffman | Crew | Camera | Second Assistant Camera |
Kenneth Adams | Crew | Camera | Key Grip |
Harry F. Hogan | Crew | Directing | Assistant Director |
Connie Anderson | Crew | Costume & Make-Up | Wardrobe Supervisor |
Ruth Carter | Crew | Art | Location Scout, Still Photographer |
 Amzie Strickland | Cast | Actress | Film Narrator |
 Biff Elliot | Cast | Actor | Motel Manager |
 Charles Aidman | Cast | Actor | Gerald Kotcher |
 Darrell Larson | Cast | Actor | Vincent Perrin |
 Deborah Winters | Cast | Actress | Erica Herzenstiel |
Dee Carroll | Cast | Actress | Dorothy Ballinger (uncredited) |
 Ellen Geer | Cast | Actress | Vera Kotcher |
 Felicia Farr | Cast | Actress | Wilma Kotcher |
Jack Lemmon | Cast | Actor | Sleeping Bus Passenger (uncredited) |
James Brodhead | Cast | Actor | Mr. Weaver |
Jessica Rains | Cast | Actress | Dr. McKernan |
 Kim Hamilton | Cast | Actress | Receptionist |
 Larry Linville | Cast | Actor | Peter Stiel |
 Lucy Saroyan | Cast | Actress | Sissy |
 Paul Fierro | Cast | Actor | Pablo |
 Paul Picerni | Cast | Actor | Dr. Caudillo |
 Penny Santon | Cast | Actress | Mrs. Segura |
Tamar Cooper | Cast | Nurse | |
 Walter Matthau | Cast | Actor | Joseph P. Kotcher |
 Jane Connell | Cast | Actress | Miss Roberts |
 Arlen Stuart | Cast | Actress | Mrs. Fisher |
Donald Kowalski | Cast | Duncan Kotcher | |
Dean Kowalski | Cast | Duncan Kotcher | |
 Bob Harks | Cast | Actor | Shopper (uncredited) |
Janya Braunt | Cast | Mrs. Pugh (uncredited) | |
Jason Karpf | Cast | Trick-or-Treater (uncredited) | |
| Person | Type | Job | Role(s) |
