| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alexander Golitzen | Crew | Art | Art Direction |
 Bud Westmore | Crew | Costume & Make-Up | Makeup Artist |
Frederic Knudtson | Crew | Editing | Editor |
 Henry Bumstead | Crew | Art | Art Direction |
 Henry Mancini | Crew | Sound | Music |
Joseph Gershenson | Crew | Sound | Music Supervisor |
Julia Heron | Crew | Art | Set Decoration |
Larry Germain | Crew | Costume & Make-Up | Hairstylist |
Liam O'Brien | Crew | Writing | Screenplay |
Robert Arthur | Crew | Production | Producer |
 Robert Burks | Crew | Camera | Director of Photography |
Robert Crichton | Crew | Writing | Novel |
 Robert Mulligan | Crew | Directing | Director |
Waldon O. Watson | Crew | Sound | Sound |
Joseph E. Kenney | Crew | Directing | Assistant Director |
Frank H. Wilkinson | Crew | Sound | Sound |
 Arthur O'Connell | Cast | Actor | Warden J.B. Chandler |
 Bob Herron | Cast | Actor | Highway Patrol Officer (uncredited) |
 Cindi Wood | Cast | WAC Lieutenant | |
Dan Sheridan | Cast | Actor | RCN Chief (uncredited) |
 David White | Cast | Actor | Dr. Hammond |
 Dick Sargent | Cast | Actor | Hotchkiss (as Richard Sargeant) |
 Doodles Weaver | Cast | Actor | Farmer Hauling Fertilizer |
 Edmond O'Brien | Cast | Actor | Capt. Glover - HMCS Cayuga |
 Frank Gorshin | Cast | Actor | Barney |
 Frank Maxwell | Cast | Actor | Tirdell (uncredited) |
 Gary Merrill | Cast | Actor | Pa Demara |
 Harry Carey, Jr. | Cast | Actor | Dr. Joseph Mornay |
 Herbert Lytton | Cast | Actor | Reporter (uncredited) |
 Herbert Rudley | Cast | Actor | Senior Officer |
James Dobson | Cast | Actor | Sailor (uncredited) |
 Jeanette Nolan | Cast | Actress | Ma Demara |
 Jerry Paris | Cast | Actor | Defense Lieutenant |
 Joan Blackman | Cast | Actress | Lt. Catherine Lacey |
 Karl Malden | Cast | Actor | Father Devlin |
 Larry Gates | Cast | Actor | Cardinal |
 Mike Kellin | Cast | Actor | Clifford Thompson |
 Philip Ahn | Cast | Actor | Capt. Hun Kim |
 Raymond Massey | Cast | Actor | Abbott Donner |
 Richard Gaines | Cast | Actor | State Official (uncredited) |
Robert Crawford Jr. | Cast | Actor | Fred Demara Jr. (as Robert Crawford) |
 Robert Middleton | Cast | Actor | R.C. Brown |
 Russ Conway | Cast | Actor | Sgt. Wilkerson (uncredited) |
 Sue Ane Langdon | Cast | Actress | Eulalie Chandler |
 Tony Curtis | Cast | Actor | Ferdinand Waldo Demara Jr. / Martin Donner / Dr. Gilbert / Ben. W. Stone / Dr. Joseph Mornay / Robert Boyd Hammnd |
 Ward Ramsey | Cast | Actor | Lieutenant Commander Howard - HMCS Cayuga |
 Willard Sage | Cast | Actor | Lt. Thornton |
Michael Ford | Cast | Actor | Soldier (uncredited) |
| Person | Type | Job | Role(s) |
