Farley Granger

Guy Haines

Ruth Roman

Anne Morton

Robert Walker

Bruno Antony

Leo G. Carroll

Sen. Morton

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

Norma Varden

Mrs. Cunningham

Robert Gist

Det. Leslie Hennessey

Brooks Benedict

Tennis Umpire (uncredited)

John Doucette

Det. Hammond (uncredited)

Harry Hines

Man Under Merry-Go-Round (uncredited)

Alfred Hitchcock

Man Boarding Train Carrying a Double Bass (uncredited)

Paul McGuire

Train Passenger (uncredited)

Oliver Cross

Party Guest (uncredited)

Tom Ferrandini

Linesman (uncredited)

Stuart Hall

Tennis Match Spectator (uncredited)