John Wayne

John Phillips

Sigrid Gurie

Leni 'Lenchen' Braun

Charles Coburn

Dr. Karl Braun

Spencer Charters

Dr. 'Nunk' Atterbury

Helen MacKellar

Mrs. Welles

Roland Varno

Dr. Eric Von Scherer

Sonny Bupp

Billy Welles

Wade Boteler

Mr. Harris, Department of Agriculture Official

Trevor Bardette

Clem Higgins

Russell Simpson

Minister

Charles Waldron

Dr. William Thorpe

Wendell Niles

Man-on-the-Street Radio Announcer

Frank Brownlee

Bill--Farmer

Bob Burns

Farmer

Horace B. Carpenter

White-Haired Farmer in Oregon

Hugh Chapman

Boy

Jim Corey

Churchgoer

Calvin Ellison

Boy

Douglas Evans

'We the People' Radio MC

Mary Field

Mrs. Stebbins

Francis Ford

Farmer Bill, with Higgins

Byron Foulger

Joe Stebbins

Stuart Holmes

Extra Farmer at Meeting

Si Jenks

Train Conductor

Darwood Kaye

Boy Patient Sitting in Chair

Gretchen Kisker

Girl

Lola Milliorn

Girl

Arthur Millett

Farmer

Jack Montgomery

Joe--Farmer

Bill Nestell

Farmer

Manuel París

Refugee Doctor

Hank Patterson

Pool Player

Rose Plumer

White Haired Farmer's Wife

Victor Potel

Postman

Dewey Robinson

Bartender

John Sheehan

Man Asking When Wedding Will Be

Ted Stanhope

Farmer

Frederick Vogeding

Herr Schmidt, Eric's Assistant

Bill Wolfe

Farmer Driving to Oregon

Wolfgang Zilzer

Dr. Rudolf Preussner

Bernard Vorhaus

Director

Kenneth Holmes

Asistente de Dirección

F. Hugh Herbert

Guión, Guión Adaptado

Joseph Moncure March

Guión, Guión Adaptado

Samuel Ornitz

Guión, Guión Adaptado

John Alton

Director de Fotografía

Victor Young

Compositor de la Música Original

Sol C. Siegel

Productor

Republic Pictures

Compañía de Produccion

William Morgan

Editor

John Victor Mackay

Dirección Artística

Yakima Canutt

Stunt Coordinator