| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur Hiller | Crew | Directing | Director |
 Eric Albertson | Crew | Editing | Editor |
Frank L. Thompson | Crew | Costume & Make-Up | Costume Design |
Gene Rudolf | Crew | Art | Production Design |
Herbert F. Mulligan | Crew | Art | Set Decoration |
Howard Gottfried | Crew | Production | Producer |
Jack Grossberg | Crew | Production | Associate Producer |
 Paddy Chayefsky | Crew | Writing | Writer, Producer |
 Victor J. Kemper | Crew | Camera | Director of Photography |
Morris Surdin | Crew | Sound | Original Music Composer |
 Alex Colon | Cast | Actor | Young Lord (uncredited) |
 Andrew Duncan | Cast | Actor | William Mead |
 Anita Dangler | Cast | Actress | Paranoid Lady (uncredited) |
 Barnard Hughes | Cast | Actor | Drummond |
 Bette Henritze | Cast | Actress | Operating Room Nurse |
Bette Howard | Cast | Actress | Young Mother (uncredited) |
Bob O'Connell | Cast | Actor | Policeman (uncredited) |
 Christopher Guest | Cast | Actor | Resident (uncredited) |
 David Hooks | Cast | Actor | Dr. Einhorn |
 Dennis Dugan | Cast | Actor | E.R. Doctor (uncredited) |
 Diana Rigg | Cast | Actress | Barbara Drummond |
 Donald Harron | Cast | Actor | Milton Mead |
 Frances Sternhagen | Cast | Actress | Mrs. Cushing |
Gena Wheeler | Cast | Holding Nurse (uncredited) | |
 George C. Scott | Cast | Actor | Dr. Herbert Bock |
 Jacqueline Brookes | Cast | Actress | Dr. Immelman (uncredited) |
 Janet Sarno | Cast | Actress | Nurse Rivers (uncredited) |
Jean David | Cast | Stephanie McGuire (uncredited) | |
 Jordan Charney | Cast | Actor | Hitchcock |
 Julie Garfield | Cast | Actress | Nurse Perez (uncredited) |
 Kate Harrington | Cast | Actress | Nurse Dunne |
 Katherine Helmond | Cast | Actress | Marilyn Mead |
 Lenny Baker | Cast | Actor | Dr. Schaefer |
Lonnie Burr | Cast | Intern (uncredited) | |
Lou Polan | Cast | Actor | Dr. Lagerman (uncredited) |
 Marilyn Sokol | Cast | Actress | Lady Lib. (uncredited) |
 Matthew Cowles | Cast | Actor | Intern Chandler (uncredited) |
Nancy MacKay | Cast | Actress | Sheilah (uncredited) |
 Nancy Marchand | Cast | Actress | Mrs. Christie |
Norman Berns | Cast | Dr. Biegelman (uncredited) | |
Paddy Chayefsky | Cast | Actor | Opening Narrator (voice) (uncredited) |
 Paul Mace | Cast | Actor | Intern Ambler (uncredited) |
 Philippe Mareuil | Cast | Actor | Doublure voix française de Andrew Duncan |
 Reid Cruickshanks | Cast | Actor | Chief Engineer (uncredited) |
 Richard Dysart | Cast | Actor | Dr. Welbeck |
 Richard Hamilton | Cast | Actor | Dr. Ronald Casey |
 Robert Walden | Cast | Actor | Dr. Brubaker |
 Roberts Blossom | Cast | Actor | Guernsey |
 Sab Shimono | Cast | Actor | Operating Room Staff Member (uncredited) |
 Shawn McAllister | Cast | Actor | Medical Intern (uncredited) |
 Stephen Elliott | Cast | Actor | Dr. Sundstrom |
 Stockard Channing | Cast | Actress | E.R. Nurse (uncredited) |
 Tom Spratley | Cast | Actor | Mitgang (uncredited) |
Tony Major | Cast | Ambulance Attendant (uncredited) | |
 Tracey Walter | Cast | Actor | Man in Crowd (uncredited) |
 Tresa Hughes | Cast | Actress | Mrs. Donovan (uncredited) |
Paul B. Price | Cast | Nameless Man (uncredited) | |
Joy Nicholson | Cast | Sundstrom's Secretary (uncredited) | |
 Sarina C. Grant | Cast | Actress | Nurse X (uncredited) |
Bill Lazarus | Cast | Actor | Police Captain (uncredited) |
Dora Weissman | Cast | Lady in the Hospital | |
Carolyn Krigbaum | Cast | Dr. Bock's Secretary | |
Lydia Wilen | Cast | Emergency Nurse (uncredited) | |
Cynthia Belgrave | Cast | Nurse Reardon (uncredited) | |
Bruce Kornbluth | Cast | Young Activist Doctor (uncredited) | |
Robert Anthony | Cast | Dr. Elroy Ives (uncredited) | |
Nat Grant | Cast | Actor | Black Panther (uncredited) |
Janet Paul | Cast | Emergency Room Receptionist (uncredited) | |
Angie Ortega | Cast | Nurse Teresa Campanella (uncredited) | |
Lorrie Davis | Cast | Nurse Divine (uncredited) | |
Rehn Scofield | Cast | Dr. Spezio | |
Leigh Beery | Cast | Mead's Secretary (uncredited) | |
Arthur Junaluska | Cast | Mr. Blacktree | |
Richard Goode | Cast | Dr. Sutcliffe (uncredited) | |
Milton Earl Forrest | Cast | Militant Leader (uncredited) | |
Dawn Powell Dell | Cast | Hospital Visitor (uncredited) | |
William Perlow | Cast | Cardiac Arrest Doctor | |
Nat Horne | Cast | Patient (uncredited) | |
| Person | Type | Job | Role(s) |
