
A charming psychopath tries to coerce a tennis star into his theory that two strangers can commit the perfect crime by exchanging murders—each killing the other’s most-hated person.
Patricia Hitchcock
Barbara Morton

Kasey Rogers
Miriam Haines

Marion Lorne
Mrs. Antony

Jonathan Hale
Mr. Antony

Howard St. John
Police Capt. Turley

John Brown
Prof. Collins