



It starts with a shriek of a train whistle... and ends with shrieking excitement!
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.

Marion Lorne
Mrs. Antony

Jonathan Hale
Mr. Antony

Howard St. John
Captain Turley

John Brown
Prof. Collins

Norma Varden
Mrs. Cunningham

Robert Gist
Leslie Hennessey