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)
Murray Alper
Boatman (uncredited)
Al Bridge
Tennis Judge (uncredited)
Leonard Carey
Anthonys' Butler (uncredited)
John Daheim
Detective at Merry-Go-Round (uncredited)
Jay Eaton
General - Party Guest (uncredited)
Roy Engel
Policeman (uncredited)
Herbert Evans
Party Guest (uncredited)
Franklyn Farnum
Party Guest (uncredited)
Tommy Farrell
Miriam's Boyfriend (uncredited)
Sam Flint
Train Passenger Requesting Light (uncredited)
Sam Harris
Party Guest (uncredited)
Edward Hearn
Lt. Campbell (uncredited)
Al Hill
Carnival Game Proprietor (uncredited)
Edna Holland
Mrs. Joyce (uncredited)
Fred Kelsey
Tennis Match Spectator / Carnival Attendee (uncredited)
Mike Lally
Detective at Carnival (uncredited)
George Magrill
Policeman at Merry-Go-Round (uncredited)
David McMahon
Bystander at Drain (uncredited)
Charles Meredith
Judge Donahue (uncredited)
Ralph Moody
Seedy Man at Carnival (uncredited)
Odette Myrtil
Madame Darville (uncredited)
Richard Neill
Party Guest (uncredited)
Barry Norton
Tennis Match Spectator (uncredited)
Spec O'Donnell
Carnival Patron (uncredited)
Paul Panzer
Bystander at Merry-Go-Round (uncredited)
Minna Phillips
Dowager (uncredited)
Georges Renavent
Monsieur Darville (uncredited)
Suzanne Ridgway
Bystander at Merry-Go-Round (uncredited)
Charles Sherlock
Cop (uncredited)
Dick Wessel
Bill (uncredited)
Robert B. Williams
Bystander at Drain (uncredited)
