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 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 Farmer (uncredited)

Ernest Anderson Porter on Twentieth Century Ltd. (uncredited)

Frank Wilcox Herman Weltner (uncredited)

Brandon Beach Man at Auction (uncredited)

Steve Carruthers Man at Auction (uncredited)

Taggart Casey Shaving Man (uncredited)

Bill Catching Auction Attendant (uncredited)

Walter Coy U.S. Intelligence Agency Official (uncredited)

Jimmy Cross Taxi Driver #1 (uncredited)

Patricia Cutts Hospital Patient (uncredited)

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 Lieutenant Hagerman (uncredited)

James Gonzalez Man at Auction (uncredited)

Tom Greenway Silent State Police Detective (uncredited)

Robert Haines Man at United Nations Building (uncredited)

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 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 Train Passenger (uncredited)

James McCallion Plaza Valet (uncredited)

Maura McGiveney Attendant (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)

Ralph Reed Bellhop (uncredited)

John Roy Train Passenger (uncredited)

Jeffrey Sayre Hotel Lounge Patron / Man at Mt. Rushmore Cafeteria (uncredited)

Scott Seaton Man at Auction (uncredited)

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 Bidder (uncredited)

Harvey Stephens Stockbroker (uncredited)

Harry Strang Assistant Conductor (uncredited)

Arthur Tovey Man at Auction (uncredited)

Dale Van Sickel Ranger (uncredited)

Lloyd Williams Minor Role (uncredited)

Robert B. Williams Patrolman Waggoner (uncredited)

Paula Winslowe Woman at Auction (uncredited)

Wilson Wood Photographer at United Nations (uncredited)

Carleton Young Fanning Nelson (uncredited)

Dick Johnstone Courtroom Spectator (uncredited)

Bert Stevens Man at United Nations Building (uncredited)

Cosmo Sardo Worker (uncredited)

Don Anderson Worker (uncredited)

Alphonso DuBois Man at United Nations Building (uncredited)

Len Hendry Police Lieutenant (uncredited)

Anne Anderson Woman (uncredited)

Rama Bai Woman at United Nations Building (uncredited)

Finn Zirzow Worker (uncredited)

Roger C. Carmel Tall Man in Crowd (uncredited)

Donna Douglas Woman on Sidewalk (uncredited)

Caryl Lincoln Auction Guest (uncredited)