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