Cary Grant
Roger Thornhill
Eva Marie Saint
Eve Kendall
James Mason
Phillip Vandamm
Jessie Royce Landis
Clara Thornhill
Leo G. Carroll
Professor
Josephine Hutchinson
Mrs. Townsend
Philip Ober
Lester Townsend
Martin Landau
Leonard
Adam Williams
Valerian
Edward Platt
Victor Larrabee
Robert Ellenstein
Licht
Les Tremayne
Auctioneer
Philip Coolidge
Dr. Cross
Patrick McVey
Sergeant Flamm
Edward Binns
Captain Junket
Ken Lynch
Charley
Doreen Lang
Maggie - Thornhill's Secretary (uncredited)
John Beradino
Sergeant Emile Klinger (uncredited)
Ned Glass
Ticket Seller (uncredited)
Tol Avery
State Police Detective (uncredited)
Malcolm Atterbury
Man at Prairie Crossing (uncredited)
Maudie Prickett
Hotel Maid Elsie (uncredited)
Bess Flowers
Plaza Hotel Lounge Patron (uncredited)
Stanley Adams
Lieutenant Harding (uncredited)
Ernest Anderson
Porter on Twentieth Century Ltd. (uncredited)
Frank Wilcox
Herman Weltner (uncredited)
Steve Carruthers
Man at Auction (uncredited)
Taggart Casey
Shaving Man (uncredited)
Walter Coy
U.S. Intelligence Agency Official (uncredited)
Patricia Cutts
Hospital Patient (uncredited)
John Damler
Police Lieutenant (uncredited)
Lawrence Dobkin
U.S. Intelligence Agency Official (uncredited)
Tommy Farrell
Eddie - Elevator Starter (uncredited)
Jesslyn Fax
Train Passenger (uncredited)
Adolph Faylauer
Bald Bidder (uncredited)
Sally Fraser
Second United Nations Receptionist (uncredited)
Alfred Hitchcock
Man Who Misses Bus (uncredited)
Stuart Holmes
Hotel Lounge Patron (uncredited)
Eugene Jackson
Security Guard at Auction (uncredited)
Kenner G. Kemp
Man Leaving Office Building (uncredited)
Madge Kennedy
Mrs. Finlay (uncredited)
Colin Kenny
Man at Auction (uncredited)
Carl M. Leviness
Man at United Nations Building (uncredited)
Alexander Lockwood
Judge Anson B. Flynn (uncredited)
Frank Marlowe
Taxi Driver (uncredited)
Baynes Barron
Taxi Driver #2 (uncredited)
James McCallion
Plaza Valet (uncredited)
Carl Milletaire
Hotel Clerk (uncredited)
Hans Moebus
Man at United Nations Building (uncredited)
Howard Negley
Conductor on Twentieth Century, Ltd. (uncredited)
Monty O'Grady
Man at United Nations Building (uncredited)
Jeffrey Sayre
Hotel Lounge Patron / Man at Mt. Rushmore Cafeteria (uncredited)
Scott Seaton
Man at Auction (uncredited)
Robert Shayne
Larry Wade (uncredited)
Jeremy Slate
Policeman at Grand Central Station (uncredited)
Olan Soule
Assistant Auctioneer (uncredited)
Helen Spring
Bidder (uncredited)
Harvey Stephens
Stockbroker (uncredited)
Harry Strang
Assistant Conductor (uncredited)
Arthur Tovey
Man at Auction (uncredited)
Dale Van Sickel
Ranger (uncredited)
Robert B. Williams
Patrolman Waggoner (uncredited)
Carleton Young
Fanning Nelson (uncredited)
Dick Johnstone
Courtroom Spectator (uncredited)
Bert Stevens
Man at United Nations Building (uncredited)
Cosmo Sardo
Worker (uncredited)
Roger C. Carmel
Tall Man in Crowd (uncredited)
Donna Douglas
Woman on Sidewalk (uncredited)
Caryl Lincoln
Auction Guest (uncredited)
