| Person | Type | Job | Role(s) |
|---|---|---|---|
 Augie Lohman | Crew | Crew | Special Effects |
 Dave Grusin | Crew | Sound | Original Music Composer |
 David Rayfiel | Crew | Writing | Screenplay |
 Dino De Laurentiis | Crew | Production | Executive Producer |
Don Guidice | Crew | Editing | Editor |
Fredric Steinkamp | Crew | Editing | Supervising Editor |
Gary Liddiard | Crew | Costume & Make-Up | Makeup Artist |
Gene Rudolf | Crew | Art | Art Direction |
George DeTitta Sr. | Crew | Art | Set Decoration |
James Grady | Crew | Writing | Novel |
Joseph G. Aulisi | Crew | Costume & Make-Up | Costume Designer |
Lee Harman | Crew | Costume & Make-Up | Makeup Artist |
 Lorenzo Semple Jr. | Crew | Writing | Screenplay |
 Michael Haley | Crew | Directing | Second Assistant Director |
 Owen Roizman | Crew | Camera | Director of Photography |
Shirley Rich | Crew | Production | Casting |
Stephen B. Grimes | Crew | Art | Production Design |
Susan Germaine | Crew | Costume & Make-Up | Hairdresser |
 Sydney Pollack | Crew | Directing | Director, Producer |
Theoni V. Aldredge | Crew | Costume & Make-Up | Costume Designer |
Stanley Schneider | Crew | Production | Producer |
Bob O'Bradovich | Crew | Costume & Make-Up | Makeup Artist |
 Addison Powell | Cast | Actor | Leonard Atwood |
 Arthur French | Cast | Actor | Messenger |
 Carlin Glynn | Cast | Actress | Mae Barber (as Carlin Gylnn) |
 Cliff Robertson | Cast | Actor | J. Higgins |
Don McHenry | Cast | Dr. Ferdinand Lappe | |
Dorothi Fox | Cast | Actress | Nurse |
Ed Crowley | Cast | Actor | Ordinance Man |
 Ed Setrakian | Cast | Actor | Customer |
 Ernest Harden Jr. | Cast | Actor | Teenager |
 Faye Dunaway | Cast | Actress | Kathy Hale |
 Hank Garrett | Cast | Actor | Mailman |
Hansford Rowe | Cast | Actor | Jennings (as Hansford H. Rowe Jr.) (as Hansford Rolle) |
 Helen Stenborg | Cast | Actress | Mrs. Edwina Russell (as Helen Stenbure) |
 James Keane | Cast | Actor | Store Clerk |
Jay Devlin | Cast | Actor | Tall Thin Man |
 Jess Osuna | Cast | Actor | The Major |
 John Connell | Cast | Actor | TV Reporter |
 John Houseman | Cast | Actor | Mr. Wabash |
John Randolph Jones | Cast | Actor | Beefy Man |
 Max von Sydow | Cast | Actor | G. Joubert |
 Michael Kane | Cast | Actor | S.W. Wicks |
 Michael Miller | Cast | Actor | Fowler |
Michael Prince | Cast | Actor | Civilian |
 Myron Natwick | Cast | Actor | Civilian |
 Patrick Gorman | Cast | Actor | Martin |
Robert Dahdah | Cast | Actor | Santa Claus |
 Robert Phalen | Cast | Actor | Newberry |
 Robert Redford | Cast | Actor | Joseph Turner |
 Russell Johnson | Cast | Actor | Intelligence Officer at Briefing (uncredited) |
 Steve Bonino | Cast | Actor | Kid |
 Tina Chen | Cast | Actress | Janice Chon |
 Walter McGinn | Cast | Actor | Sam Barber |
Dino Narizzano | Cast | Actor | Harold |
Lauren Simon | Cast | Actress | Neighbor in Elevator (uncredited) |
Carol Gustafson | Cast | Actress | Landlady |
Lee Steele | Cast | Actor | Heidegger |
Norman Bush | Cast | Actor | Alice Lieutenant |
Glenn Ferguson | Cast | Actor | Kid |
Frank Savino | Cast | Actor | Jimmy |
Marian Swan | Cast | Actress | Nurse |
Garrison Phillips | Cast | Actor | Hutton |
Sal Schillizzi | Cast | Actor | Locksmith |
Harmon William | Cast | Actor | CIA Agent |
David Bowman | Cast | Actor | Telephone Worker |
Eileen Gordon | Cast | Actress | CIA Receptionist |
Jennifer Rose | Cast | Actress | Kid |
David Allen | Cast | Actor | Kid |
Paul Dwyer | Cast | Actor | Kid |
Beverly Goodman | Cast | Actress | Girl (uncredited) |
Bruce Moreno | Cast | Actor | Computer Operator (uncredited) |
| Person | Type | Job | Role(s) |
