"Having met on a train, a smooth-talking psychotic socialite shares his theory on how two complete strangers can get away with murder to an amateur tennis player — a theory he plans to test out."
Farley Granger
as Guy Haines
Ruth Roman
as Anne Morton
Robert Walker
as Bruno Antony
Leo G. Carroll
as Sen. Morton
Patricia Hitchcock
as Barbara Morton
Kasey Rogers
as Miriam Haines
Marion Lorne
as Mrs. Antony
Jonathan Hale
as Mr. Antony
Howard St. John
as Police Capt. Turley
John Brown
as Prof. Collins
Norma Varden
as Mrs. Cunningham
Robert Gist
as Det. Leslie Hennessey
Brooks Benedict
as Tennis Umpire (uncredited)
John Doucette
as Det. Hammond (uncredited)
Harry Hines
as Man Under Merry-Go-Round (uncredited)
Alfred Hitchcock
as Man Boarding Train Carrying a Double Bass (uncredited)
Paul McGuire
as Train Passenger (uncredited)
Oliver Cross
as Party Guest (uncredited)
Tom Ferrandini
as Linesman (uncredited)
Stuart Hall
as Tennis Match Spectator (uncredited)
Joel Allen
as Policeman (uncredited)
Murray Alper
as Boatman (uncredited)
Monya Andre
as Dowager (uncredited)
Benjie Bancroft
as Police Officer (uncredited)
Harry Baum
Al Bridge
as Tennis Judge (uncredited)
Joe Brooks
as Carnival Patron (uncredited)
John Butler
as Blind Man (uncredited)
Leonard Carey
as Anthonys' Butler (uncredited)
Edward Clark
as Miriam's Boss (uncredited)
Jack Cushingham
as Fred Reynolds (uncredited)
John Daheim
as Detective at Merry-Go-Round (uncredited)
Marilyn Dialon
as Girl on Carousel (uncredited)
Jay Eaton
as General - Party Guest (uncredited)
Roy Engel
Herbert Evans
Franklyn Farnum
Tommy Farrell
as Miriam's Boyfriend (uncredited)
Sam Flint
as Train Passenger Requesting Light (uncredited)
Kay Garrett
Robert Haines
as Bus Driver (uncredited)
Sam Harris
Edward Hearn
as Lt. Campbell (uncredited)
Al Hill
as Carnival Game Proprietor (uncredited)
Mary Alan Hokanson
as Secretary (uncredited)
Edna Holland
as Mrs. Joyce (uncredited)
J. Louis Johnson
as Mortons' Butler (uncredited)
Fred Kelsey
as Tennis Match Spectator / Carnival Attendee (uncredited)
Mike Lally
as Detective at Carnival (uncredited)
Perc Launders
as Police Desk Sergeant (uncredited)
Louis Lettieri
as Boy with Balloon (uncredited)
George Magrill
as Policeman at Merry-Go-Round (uncredited)
Charles Marsh
as Bystander at Drain (uncredited)
Thomas Martin
David McMahon
Charles Meredith
as Judge Donahue (uncredited)
Ralph Moody
as Seedy Man at Carnival (uncredited)
Mike Morelli
Roland Morris
Odette Myrtil
as Madame Darville (uncredited)
Richard Neill
Barry Norton
Spec O'Donnell
Paul Panzer
as Bystander at Merry-Go-Round (uncredited)
Minna Phillips
Anthony Redondo
Georges Renavent
as Monsieur Darville (uncredited)
Suzanne Ridgway
Dick Ryan
as Minister (uncredited)
Charles Sherlock
as Cop (uncredited)
Janet Stewart
as Girl (uncredited)
Brick Sullivan
Shirley Tegge
Laura Treadwell
as Mrs. Anderson (uncredited)
Joe Warfield
as Soda Jerk (uncredited)
Howard Washington
as Waiter on Train (uncredited)
Dick Wessel
as Bill (uncredited)
Chalky Williams
Robert B. Williams
Whitfield Cook
Adaptation
William H. Ziegler
Editor
Patricia Highsmith
Novel
Czenzi Ormonde
Screenplay
Gordon Bau
Makeup Artist
Dimitri Tiomkin
Original Music Composer
Robert Burks
Director of Photography
Ted Haworth
Art Direction
Director
Raymond Chandler
George James Hopkins
Set Decoration
Producer
Hans F. Koenekamp
Special Effects
Dolph Thomas
Sound
Leah Rhodes
Costume Design
Ray Heindorf
Music Director
Ben Hecht
Additional Writing
Bill Phillips
Myrl Stoltz
Hairdresser
Mel Dellar
Assistant Director
C. Carter Gibson
Second Assistant Director
Mentor Huebner
Production Illustrator
Armor Marlowe
Props
Paul Baxley
Stunts
Durward Graybill
Still Photographer
Norman C. McClay
Best Boy Electric
Harold Noyes
Grip
Charles O'Bannon
Gaffer
William Schurr
Second Assistant Camera
Leonard J. South
Assistant Camera
Robert O'Dell
Wardrobe Master
William Guthrie
Location Manager
Rita Michaels
Script Supervisor
Barbara Keon
Production Assistant