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
![Nora Marlowe]()
Nora Marlowe
Anna, the Menacing Housekeeper (uncredited)
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)
![Andy Albin]()
Andy Albin
Farmer (uncredited)
Ernest Anderson
Porter on Twentieth Century Ltd. (uncredited)
Frank Wilcox
Herman Weltner (uncredited)
![Brandon Beach]()
Brandon Beach
Man at Auction (uncredited)
Steve Carruthers
Man at Auction (uncredited)
Taggart Casey
Shaving Man (uncredited)
![Bill Catching]()
Bill Catching
Auction Attendant (uncredited)
Walter Coy
U.S. Intelligence Agency Official (uncredited)
![Jimmy Cross]()
Jimmy Cross
Taxi Driver #1 (uncredited)
Patricia Cutts
Hospital Patient (uncredited)
![Jack Daly]()
Jack Daly
Train Steward (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)
![Paul Genge]()
Paul Genge
Lieutenant Hagerman (uncredited)
![James Gonzalez]()
James Gonzalez
Man at Auction (uncredited)
![Tom Greenway]()
Tom Greenway
Silent State Police Detective (uncredited)
![Robert Haines]()
Robert Haines
Man at United Nations Building (uncredited)
![Stuart Hall]()
Stuart Hall
Train Passenger (uncredited)
Alfred Hitchcock
Man Who Misses Bus (uncredited)
Stuart Holmes
Hotel Lounge Patron (uncredited)
Eugene Jackson
Security Guard at Auction (uncredited)
![Bobby Johnson]()
Bobby Johnson
Waiter (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)
![Thomas Martin]()
Thomas Martin
Train Passenger (uncredited)
James McCallion
Plaza Valet (uncredited)
![Maura McGiveney]()
Maura McGiveney
Attendant (uncredited)
Carl Milletaire
Hotel Clerk (uncredited)
![Hans Moebus]()
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)
![Ralph Reed]()
Ralph Reed
Bellhop (uncredited)
![John Roy]()
John Roy
Train Passenger (uncredited)
Jeffrey Sayre
Hotel Lounge Patron / Man at Mt. Rushmore Cafeteria (uncredited)
Scott Seaton
Man at Auction (uncredited)
![Harry Seymour]()
Harry Seymour
Victor - Captain of Waiters (uncredited)
Robert Shayne
Larry Wade (uncredited)
Jeremy Slate
Policeman at Grand Central Station (uncredited)
Olan Soule
Assistant Auctioneer (uncredited)
![Helen Spring]()
Helen Spring
Bidder (uncredited)
Harvey Stephens
Stockbroker (uncredited)
Harry Strang
Assistant Conductor (uncredited)
Arthur Tovey
Man at Auction (uncredited)
Dale Van Sickel
Ranger (uncredited)
![Lloyd Williams]()
Lloyd Williams
Minor Role (uncredited)
Robert B. Williams
Patrolman Waggoner (uncredited)
Paula Winslowe
Woman at Auction (uncredited)
![Wilson Wood]()
Wilson Wood
Photographer at United Nations (uncredited)
Carleton Young
Fanning Nelson (uncredited)
Dick Johnstone
Courtroom Spectator (uncredited)
![Bert Stevens]()
Bert Stevens
Man at United Nations Building (uncredited)
Cosmo Sardo
Worker (uncredited)
Don Anderson
Worker (uncredited)
![Alphonso DuBois]()
Alphonso DuBois
Man at United Nations Building (uncredited)
![Len Hendry]()
Len Hendry
Police Lieutenant (uncredited)
![Anne Anderson]()
Anne Anderson
Woman (uncredited)
![Rama Bai]()
Rama Bai
Woman at United Nations Building (uncredited)
![Finn Zirzow]()
Finn Zirzow
Worker (uncredited)
Roger C. Carmel
Tall Man in Crowd (uncredited)
Donna Douglas
Woman on Sidewalk (uncredited)
![Caryl Lincoln]()
Caryl Lincoln
Auction Guest (uncredited)
Bill Rebane
Passenger
