According to the New York Times, Hitchcock said that he was considering hiring Judith Anderson to play Mother, in order to hide the film's plot twists during production.

Basehart was one of several actors in the running for the role of Sam Loomis.

Keith was one of several actors in the running for the part of Sam Loomis.

Nielsen was one of several actors in the running for the part of Sam Loomis.

Hitchcock's producer Herbert Coleman, not interested in Janet Leigh for the role of "Marion Crane," preferred the beautiful O'Sullivan.

Cliff Robertson was considered for the part of Sam Loomis.

Considered for the part of Marion Crane.

Hitchock felt the intensity of an actor like Stuart Whitman would distract from the real stars of the story, Anthony Perkins and Janet Leigh.