Farley Granger
Guy Haines
Acting
Ruth Roman
Anne Morton
Acting
Robert Walker
Bruno Antony
Acting
Leo G. Carroll
Sen. Morton
Acting
Patricia Hitchcock
Barbara Morton
Acting
Kasey Rogers
Miriam Haines
Acting
Marion Lorne
Mrs. Antony
Acting
Jonathan Hale
Mr. Antony
Acting
Howard St. John
Police Capt. Turley
Acting
John Brown
Prof. Collins
Acting
Norma Varden
Mrs. Cunningham
Acting
Robert Gist
Det. Leslie Hennessey
Acting
Brooks Benedict
Tennis Umpire (uncredited)
Acting
John Doucette
Det. Hammond (uncredited)
Acting
Harry Hines
Man Under Merry-Go-Round (uncredited)
Acting
Alfred Hitchcock
Man Boarding Train Carrying a Double Bass (uncredited)
Directing
Paul McGuire
Train Passenger (uncredited)
Acting
Oliver Cross
Party Guest (uncredited)
Acting
Tom Ferrandini
Linesman (uncredited)
Acting
Stuart Hall
Tennis Match Spectator (uncredited)
Acting