| Person | Type | Job | Role(s) |
|---|---|---|---|
 Burnett Guffey | Crew | Camera | Director of Photography |
 Carter DeHaven | Crew | Directing | Assistant Director |
Charles Nelson | Crew | Editing | Editor |
Clay Campbell | Crew | Costume & Make-Up | Makeup Artist |
Donald W. Starling | Crew | Editing | Editor |
 Frank Tuttle | Crew | Art | Set Decoration |
 George Duning | Crew | Sound | Original Music Composer |
Helen Hunt | Crew | Costume & Make-Up | Hairstylist |
Jack Palmer White | Crew | Writing | Adaptation |
 Jean Louis | Crew | Costume & Make-Up | Costume Design |
Jerry Bresler | Crew | Production | Producer |
John Meehan | Crew | Art | Art Direction |
 Morris Stoloff | Crew | Sound | Music Director |
Paul Gallico | Crew | Writing | Story |
Pauline Gallico | Crew | Writing | Story |
Ray Cory | Crew | Camera | Director of Photography |
 Robert Parrish | Crew | Directing | Director |
Samuel Marx | Crew | Production | Producer |
Walter Goetz | Crew | Writing | Adaptation |
 William Bowers | Crew | Writing | Screenplay |
Albert Szabo | Cast | Actor | Recorder (uncredited) |
 Audrey Totter | Cast | Actress | Sandy Tate |
 Ben Astar | Cast | Actor | Minister of Justice Vajos |
 Dana Andrews | Cast | Actor | Jimmy Race |
Don Gibson | Cast | Actor | Phone Operator (uncredited) |
Don Kohler | Cast | Actor | Bert (uncredited) |
 Donald Randolph | Cast | Actor | Anton Borvitch |
Earl Lee | Cast | Actor | Dad Pelham |
 Fay Roope | Cast | Actor | American Ambassador (uncredited) |
Frank Arnold | Cast | French Reporter (uncredited) | |
 Gail Bonney | Cast | Actress | Phone Operator (uncredited) |
Gene Gary | Cast | Receptionist (uncredited) | |
 George Sanders | Cast | Actor | Nicholas Strang |
 Gino Corrado | Cast | Actor | Hungarian Embassy Reporter (uncredited) |
 Hal Taggart | Cast | Actor | Herald Tribune Staffer (uncredited) |
 Hanna Axmann-Rezzori | Cast | Actress | Miss Oster (uncredited) |
 Herbert Berghof | Cast | Actor | Prime Minister Andreas Ordy |
 Jay Adler | Cast | Actor | Henry (uncredited) |
 Joseph Forte | Cast | Actor | Barker (uncredited) |
Ken Terrell | Cast | Actor | Military Aide (uncredited) |
 Leon Askin | Cast | Actor | Franz (uncredited) |
Marcel De La Brosse | Cast | Actor | Maitre d' (uncredited) |
 Mari Blanchard | Cast | Actress | Wanda Marlowe (scenes deleted) |
 Maurice Marsac | Cast | Actor | Gendarme (uncredited) |
 Michele Montau | Cast | Actress | Airport Receptionist (uncredited) |
 Murvyn Vye | Cast | Actor | Medical Officer at Prisoner Exchange (uncredited) |
 Märta Torén | Cast | Actress | Jeanne Moray |
 Paul Birch | Cast | Actor | Colonel Mannix (uncredited) |
 Paul Frees | Cast | Actor | Radio Budapest Announcer (uncredited) |
 Peter J. Votrian | Cast | Jan Czeki (uncredited) | |
 Pál Jávor | Cast | Actor | Laslo Boros (uncredited) |
 Robert Stevenson | Cast | Actor | Army Doctor (uncredited) |
Rolf Lindau | Cast | Actor | Doctor (uncredited) |
 Sam Harris | Cast | Actor | Customer at Bar (uncredited) |
 Sandro Giglio | Cast | Actor | Gabor Czeki, alias Grisha |
 Sigfrid Tor | Cast | Actor | Swedish Reporter (uncredited) |
 Suzanne Ridgway | Cast | Actress | Restaurant Patron (uncredited) |
 Victor Sutherland | Cast | Actor | Larry O'Connell (uncredited) |
 Vito Scotti | Cast | Actor | Italian Reporter (uncredited) |
 Werner Klingler | Cast | Actor | Interrogator (uncredited) |
 Willis Bouchey | Cast | Actor | Biddle, an Editor |
 William Woodson | Cast | Actor | Narrator (voice) (uncredited) |
André Siméon | Cast | Actor | Waiter (uncredited) |
Georgiana Wulff | Cast | Gogo Czeki (uncredited) | |
Monique Chantal | Cast | Phone Operator (uncredited) | |
Charles H. Radilak | Cast | Actor | Antique Dealer (uncredited) |
Paul Hoffman | Cast | Kedor (uncredited) | |
György Nagyajtay | Cast | Actor | Borvitch's Aide (uncredited) |
Maurice Doner | Cast | Actor | Victor (uncredited) |
| Person | Type | Job | Role(s) |
