How many movies have Alfred Hitchcock and Patricia Hitchcock collaborated on?

They have worked on 3 movies together! Their first movie together was Stage Fright (1950) while their highest rated movie together was Psycho (1960). They have not worked together since Psycho (1960). They are most known for their thriller films together.

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Caroline
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Man Outside Office (uncredited)
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Barbara Morton
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Man Boarding Train Carrying a Double Bass (uncredited)
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Chubby Bannister
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Man Staring at Eve on Street (uncredited)