Robert Cummings

Barry Kane

Priscilla Lane

Pat Martin

Otto Kruger

Charles Tobin

Alan Baxter

Freeman

Clem Bevans

Neilson

Norman Lloyd

Frank Fry

Alma Kruger

Mrs. Henrietta Sutton

Vaughan Glaser

Mr. Miller

Dorothy Peterson

Mrs. Mason

Ian Wolfe

Robert

Frances Carson

Society Woman

Murray Alper

Truck Driver

Kathryn Adams

Young Mother

Pedro de Cordoba

Bones - Circus Troupe

Billy Curtis

Midget - Circus Troupe

Anita Sharp-Bolster

Esmeralda the Bearded Lady

Laura Mason

Siamese Twin

Oliver Blake

Deputy Sheriff (uncredited)

Alfred Hitchcock

Man in Front of New York Drugstore (uncredited)

Pat Flaherty

George - Elevator Operator (uncredited)

Sam Harris

Party Guest (uncredited)

Frank McLure

Party Guest (uncredited)

Harold Miller

Party Guest (uncredited)

Cyril Ring

Party Guest (uncredited)

Hans Conried

Edward (uncredited)

Tony Randall

Cameraman (uncredited)

Will Wright

J.C. Lormans - Company Official (uncredited)

Charles Halton

Second Sheriff (uncredited)

Dick Gordon

Party Guest (uncredited)

Hardie Albright

Detective (uncredited)

Frank Baker

Navy Officer at Ship Launching (uncredited)

Edward Biby

Dignitary at Ship Launching (uncredited)

Al Bridge

Marine MP Sergeant (uncredited)

Ralph Brooks

Party Guest (uncredited)

Paul E. Burns

Farmer (uncredited)

James Carlisle

Party Guest (uncredited)

Jack Cheatham

Detective Outside Movie Theater (uncredited)

Kernan Cripps

Man in Movie Audience (uncredited)

Oliver Cross

Party Guest (uncredited)

Sayre Dearing

Party Guest (uncredited)

Helen Dickson

Party Guest (uncredited)

Ralph Dunn

FBU Agent at Mason's House (uncredited)

John Eldredge

Footman (uncredited)

Paul Everton

Party Guest (uncredited)

James Flavin

Motorcycle Cop (voice) (uncredited)

Eddie Foster

Driver for Saboteurs (uncredited)

Ben Frommer

Theatre Patron (uncredited)

Jack Gardner

Pat's Taxi Driver (uncredited)

Gene Garrick

Plant Worker (uncredited)

Art Gilmore

Radio Broadcaster (voice) (uncredited)

William Gould

Stranger on Sidewalk (uncredited)

Margaret Hayes

Henry's Wife in Movie (uncredited)

Vinton Hayworth

Will - Other Man in Movie (uncredited)

Selmer Jackson

FBI Chief (uncredited)

Milton Kibbee

Man Killed in Movie Theater (uncredited)

Rex Lease

Plant Cafeteria Worker (uncredited)

Will Lee

Rogers (uncredited)

Ethelreda Leopold

Party Guest (uncredited)

Alexander Lockwood

Marine (uncredited)

Lou Lubin

Man (uncredited)

Frank Marlowe

Man in Newsreel Truck (uncredited)

Kermit Maynard

Cowhand (uncredited)

Belle Mitchell

Adele - Tobin's Maid (uncredited)

Gene O'Donnell

Jitterbug (uncredited)

George Offerman, Jr.

Plant Worker (uncredited)

Dorothy Parker

Woman in Car (uncredited)

Emory Parnell

Henry - Husband in Movie (uncredited)

Ruth Peterson

Society Woman (uncredited)

Lee Phelps

Plant Security Officer (uncredited)

Gerald Pierce

Elevator Operator (uncredited)

Alexander Pollard

Party Guest (uncredited)

William Ruhl

Deputy Marshal (uncredited)

Paul Russell

Party Guest (uncredited)

Jeffrey Sayre

Saboteur (uncredited)

Charles Sherlock

Barry's Taxi Driver (uncredited)

Byron Shores

Detective (uncredited)

Harry Strang

Motorcycle Highway Patrolman (uncredited)

Torin Thatcher

Man (uncredited)

Archie Twitchell

Motorcycle Cop (voice) (uncredited)

Dale Van Sickel

FBI Assistant - Phone Operator (uncredited)

Claire Whitney

Wife in Movie Audience (uncredited)

Matt Willis

First Sheriff (uncredited)

Marjorie Wood

Farmer's Wife (uncredited)

Barton Yarborough

First FBI Man at Mason's House (uncredited)

Duke York

Deputy Sheriff (uncredited)