| Person | Type | Job | Role(s) |
|---|---|---|---|
 Alfred Hitchcock | Crew | Directing | Director, Producer |
 Dimitri Tiomkin | Crew | Sound | Original Music Composer, Conductor |
 Don Alvarado | Crew | Directing | Assistant Director |
 George James Hopkins | Crew | Art | Set Decoration |
George Tabori | Crew | Writing | Screenplay |
Gordon Bau | Crew | Costume & Make-Up | Makeup Artist |
Oliver S. Garretson | Crew | Sound | Sound |
 Orry-Kelly | Crew | Costume & Make-Up | Costume Design |
Ray Heindorf | Crew | Sound | Music Director |
 Robert Burks | Crew | Camera | Director of Photography |
 Rudi Fehr | Crew | Editing | Editor |
Sherry Shourds | Crew | Production | Production Supervisor |
Ted Haworth | Crew | Art | Art Direction |
William Archibald | Crew | Writing | Screenplay |
Paul Anthelme | Crew | Writing | Theatre Play |
Alfred Hitchcock | Cast | Actor | Man Crossing the Top of Long Staircase (uncredited) |
 Anne Baxter | Cast | Actress | Ruth Grandfort |
 Brian Aherne | Cast | Actor | Willy Robertson |
 Charles Andre | Cast | Actor | Father Millars |
 Dolly Haas | Cast | Actress | Alma Keller |
 Gilles Pelletier | Cast | Actor | Father Benoit (uncredited) |
 Henry Corden | Cast | Actor | Det. Sgt. Farouche (uncredited) |
 Judson Pratt | Cast | Actor | Murphy (uncredited) |
 Karl Malden | Cast | Actor | Inspector Larrue |
 Montgomery Clift | Cast | Actor | Fr. Michael William Logan |
 Nan Boardman | Cast | Actress | Maid (uncredited) |
 O.E. Hasse | Cast | Actor | Otto Keller |
 Roger Dann | Cast | Actor | Pierre Grandfort |
 Ovila Légaré | Cast | Actor | Monsieur Villette (uncredited) |
| Person | Type | Job | Role(s) |
