Montgomery Clift

Father Michael 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

Henry Corden

Det. Sgt. Farouche

J. Léo Gagnon

Policeman

Carmen Gingras

First French Girl

Albert Godderis

Nightwatchman

Alfred Hitchcock

Man Crossing the Top of Long Staircase

Renée Hudon

Second French Girl

Ovila Légaré

Monsieur Villette

Gilles Pelletier

Father Benoit

Judson Pratt

Murphy