| Person | Type | Job | Role(s) |
|---|---|---|---|
 Albert S. D'Agostino | Crew | Art | Art Direction |
 Anthony Veiller | Crew | Writing | Screenplay |
 Arthur Johns | Crew | Sound | Sound Director, Sound |
 Bronislau Kaper | Crew | Sound | Original Music Composer |
Buddy Longworth | Crew | Camera | Still Photographer |
Corson Jowett | Crew | Sound | Sound Editor, Sound |
 David Sharpe | Crew | Crew | Stunts |
Decla Dunning | Crew | Writing | Adaptation |
Ernest J. Nims | Crew | Editing | Editor |
Gladys Hill | Crew | Writing | Dialogue |
Harold Byrns | Crew | Sound | Orchestrator |
Harry Redmond Jr. | Crew | Crew | Special Effects |
Jack Voglin | Crew | Directing | Assistant Director |
James C. Pratt | Crew | Production | Assistant Production Manager |
 John Huston | Crew | Production | Producer, Co-Writer |
John L. Russell | Crew | Camera | Camera Operator |
Leo Shuken | Crew | Sound | Orchestrator |
 Michael Woulfe | Crew | Costume & Make-Up | Costume Designer |
 Orson Welles | Crew | Directing | Director, Co-Writer |
Paul Weatherwax | Crew | Editing | Supervising Editor |
Perry Ferguson | Crew | Art | Production Design |
 Russell Metty | Crew | Camera | Director of Photography |
 Sam Spiegel | Crew | Production | Producer |
 Sidney Cutner | Crew | Sound | Orchestrator |
Victor Trivas | Crew | Writing | Adaptation, Original Story |
Robert Cowan | Crew | Costume & Make-Up | Makeup Artist |
Milton Howe | Crew | Production | Publicist |
Denis Morrison | Crew | Crew | Unit Publicist |
Bernard McEveety | Crew | Production | Production Manager |
 Adolph Faylauer | Cast | Actor | War Crimes Commision Member (uncredited) |
 Billy House | Cast | Actor | Mr. Solomon Potter |
 Theodore Gottlieb | Cast | Actor | Fairbright (uncredited) |
 David Bond | Cast | Actor | Student (uncredited) |
 Edward G. Robinson | Cast | Actor | Federal Agent Wilson |
 Erskine Sanford | Cast | Actor | Party Guest (uncredited) |
 Ethan Laidlaw | Cast | Actor | Todd, Customer in Potter's Store (uncredited) |
 Gerald Pierce | Cast | Actor | Kid Throwing Newspaper Shreds (uncredited) |
 John Brown | Cast | Actor | Passport Photographer (uncredited) |
 Johnny Sands | Cast | Actor | Jogging Student in Woods (uncredited) |
Joseph Granby | Cast | Actor | Undetermined Role (uncredited) |
 Konstantin Shayne | Cast | Actor | Konrad Meinike |
 Lillian Molieri | Cast | Actress | Undetermined Role (uncredited) |
 Loretta Young | Cast | Actress | Mary Longstreet |
 Martha Wentworth | Cast | Actress | Sara |
Neal Dodd | Cast | Actor | Minister (uncredited) |
Orson Welles | Cast | Actor | Prof. Charles Rankin |
 Philip Merivale | Cast | Actor | Judge Adam Longstreet |
 Pietro Sosso | Cast | Actor | Mr. Peabody (uncredited) |
 Rebel Randall | Cast | Actress | Undetermined Role (uncredited) |
 Richard Long | Cast | Actor | Noah Longstreet |
 Ruth Lee | Cast | Actress | Undetermined Role (uncredited) |
 Byron Keith | Cast | Actor | Dr. Jeffrey Lawrence |
Gabriel Peralta | Cast | Undetermined Role (uncredited) | |
Fred Godoy | Cast | Undetermined Role (uncredited) | |
Isabel O'Madigan | Cast | Actress | Mrs. Lawrence (uncredited) |
Nancy Evans | Cast | Undetermined Role (uncredited) | |
| Person | Type | Job | Role(s) |
