Cast

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

Crew

Bernard Vorhaus

Director (Directing)

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Samuel Ornitz

Screenplay (Writing)

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Joseph Moncure March

Screenplay (Writing)

John Alton

Director of Photography (Camera)

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F. Hugh Herbert

Screenplay (Writing)

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John Victor Mackay

Art Direction (Art)

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Kenneth Holmes

Assistant Director (Directing)

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William Morgan

Editor (Editing)

Victor Young

Original Music Composer (Sound)

Yakima Canutt

Stunt Coordinator (Crew)