Cary Grant character Roger O. Thornhill
Eva Marie Saint character Eve Kendall
James Mason character Phillip Vandamm
Jessie Royce Landis character Clara Thornhill
Leo G. Carroll character The Professor
Josephine Hutchinson character Vandamm's Sister aka Mrs. Townsend
Philip Ober character Lester Townsend
Martin Landau character Leonard
Adam Williams character Valerian
Edward Platt character Victor Larrabee
Robert Ellenstein character Licht
Les Tremayne character Auctioneer
Philip Coolidge character Dr. Cross
Patrick McVey character Sergeant Flamm
Edward Binns character Captain Junket
Ken Lynch character Charley - Chicago Policeman
Nora Marlowe character Anna, the menacing housekeeper (uncredited)
Doreen Lang character Maggie - Thornhill's Secretary (uncredited)
John Beradino character Sergeant Emile Klinger (uncredited)
Ned Glass character Ticket seller (uncredited)
Tol Avery character State Police Detective (uncredited)
Malcolm Atterbury character Man at Prairie Crossing (uncredited)
Maudie Prickett character Hotel maid Elsie (uncredited)
Bess Flowers character Plaza Hotel lounge patron (uncredited)
Stanley Adams character Lieutenant Harding (uncredited)
Andy Albin character Farmer (uncredited)
Ernest Anderson character Porter on Twentieth Century Ltd. (uncredited)
Frank Wilcox character Herman Weltner (uncredited)
Brandon Beach character Man at Auction (uncredited)
Steve Carruthers character Man at Auction (uncredited)
Taggart Casey character Shaving Man (uncredited)
Bill Catching character Auction Attendant (uncredited)
Walter Coy character U.S. Intelligence Agency Official (uncredited)
Jimmy Cross character Taxi Driver #1 (uncredited)
Patricia Cutts character Hospital Patient (uncredited)
Jack Daly character Train Steward (uncredited)
John Damler character Police Lieutenant (uncredited)
Lawrence Dobkin character U.S. Intelligence Agency Official (uncredited)
Tommy Farrell character Eddie - Elevator Starter (uncredited)
Jesslyn Fax character Train Passenger (uncredited)
Adolph Faylauer character Bald Bidder (uncredited)
Sally Fraser character Second United Nations Receptionist (uncredited)
Paul Genge character Lieutenant Hagerman (uncredited)
James Gonzalez character Man at Auction (uncredited)
Tom Greenway character Silent State Police Detective (uncredited)
Robert Haines character Man at United Nations Building (uncredited)
Stuart Hall character Train Passenger (uncredited)
Alfred Hitchcock character Man Who Misses Bus
Stuart Holmes character Hotel Lounge Patron (uncredited)
Eugene Jackson character Security Guard at Auction (uncredited)
Bobby Johnson character Waiter (uncredited)
Kenner G. Kemp character Man Leaving Office Building (uncredited)
Madge Kennedy character Mrs. Finlay (uncredited)
Colin Kenny character Man at Auction (uncredited)
Carl M. Leviness character Man at United Nations Building (uncredited)
Alexander Lockwood character Judge Anson B. Flynn (uncredited)
Frank Marlowe character Taxi Driver (uncredited)
Baynes Barron character Taxi Driver #2 (uncredited)
Thomas Martin character Train Passenger (uncredited)
James McCallion character Plaza Valet (uncredited)
Maura McGiveney character Attendant (uncredited)
Carl Milletaire character Hotel Clerk (uncredited)
Hans Moebus character Man at United Nations Building (uncredited)
Howard Negley character Conductor on Twentieth Century, Ltd. (uncredited)
Monty O'Grady character Man at United Nations Building (uncredited)
Ralph Reed character Bellhop (uncredited)
John Roy character Train Passenger (uncredited)
Jeffrey Sayre character Hotel Lounge Patron / Man at Mt. Rushmore Cafeteria (uncredited)
Scott Seaton character Man at Auction (uncredited)
Harry Seymour character Victor - Captain of Waiters (uncredited)
Robert Shayne character Larry Wade (uncredited)
Jeremy Slate character Policeman at Grand Central Station (uncredited)
Olan Soule character Assistant Auctioneer (uncredited)
Helen Spring character Bidder (uncredited)
Harvey Stephens character Stockbroker (uncredited)
Harry Strang character Assistant Conductor (uncredited)
Arthur Tovey character Man at Auction (uncredited)
Dale van Sickel character Ranger (uncredited)
Lloyd Williams character Minor Role (uncredited)
Robert B. Williams character Patrolman Waggoner (uncredited)
Paula Winslowe character Woman at Auction (uncredited)
Wilson Wood character Photographer at United Nations (uncredited)
Carleton Young character Fanning Nelson (uncredited)
Dick Johnstone character Courtroom Spectator (uncredited)
Bert Stevens character Man at United Nations Building (uncredited)
Cosmo Sardo character Worker (uncredited)
Don Anderson character Worker (uncredited)
Alphonso DuBois character Man at United Nations Building (uncredited)
Len Hendry character Police Lieutenant (uncredited)
