Two young men attempt to prove they committed the perfect murder by hosting a dinner party for the family of a classmate they just strangled to death.

James Stewartas Rupert Cadell
John Dallas Brandon Shaw
Farley Grangeras Phillip Morgan
Cedric Hardwickeas Mr. Henry Kentley
Constance Collieras Mrs. Anita Atwater
Douglas Dickas Kenneth Lawrence
Edith Evansonas Mrs. Wilson
Dick Hoganas David Kentley
Joan Chandleras Janet Walker
Alfred Hitchcockas Man Walking in Street (uncredited)