Montgomery Clift
Fr. Michael William Logan
Anne Baxter
Ruth Grandfort
Karl Malden
Inspector Larrue
Brian Aherne
Willy Robertson
O.E. Hasse
Otto Keller
Roger Dann
Pierre Grandfort
Dolly Haas
Alma Keller
Charles Andre
Father Millars
Nan Boardman
Maid (uncredited)
Henry Corden
Det. Sgt. Farouche (uncredited)
Alfred Hitchcock
Man Crossing the Top of Long Staircase (uncredited)
Ovila Légaré
Monsieur Villette (uncredited)
Gilles Pelletier
Father Benoit (uncredited)
Judson Pratt
Murphy (uncredited)
