- Wesley Gale - Man Staring Into Window (uncredited)
- Leon Alton - Officer at Fleet Admiral's Meeting (uncredited)
- Phil Arnold - Short Fisherman (uncredited)
- George Bruggeman - Nazi Officer (uncredited)
- Paul Busch - Sonar Man (uncredited)
- Al Checco - Sailor (uncredited)
- Sayre Dearing - Passerby/Naval Officer at Meeting (uncredited)
- George DeNormand - Nazi Officer (uncredited)
- Dan Dowling - Naval Officer at Meeting (uncredited)
- Harold Dyrenforth - U-Boat Captain (uncredited)
- Louie Elias - Sailor (uncredited)
- Logan Field - Lieutenant (uncredited)
- Fred Fisher - Officer at Fleet Admiral's Meeting (uncredited)
- George Golden - Naval Officer at Fleet Admiral Meeting (uncredited)
- Sam Harris - Officer at Fleet Admiral's Briefing (uncredited)
- George Holmes - Scientist (uncredited)
- Joseph La Cava - Officer at Fleet Admiral's Briefing (uncredited)
- Mike Lally - Naval Officer at Meeting (uncredited)
- Harold Miller - Officer at Fleet Admiral's Briefing (uncredited)
- Charles Morton - Boat Captain (uncredited)
- Jack Pepper - Sport Fishmern (uncredited)
- Scott Seaton - Old Man in Shipping Office (uncredited)
- Jack Shea - Sailor (uncredited)
- John Truax - Policeman (uncredited)
- Feridun Çölgeçen - Scientist (uncredited)
- Arthur Lubin
- Jameson Brewer
- John W. Dunn
-
John C. Rose
Don Knotts interpreta a Henry Limpet en la película.
Carole Cook interpreta a Bessie Limpet en la película.
Jack Weston interpreta a George Stickel en la película.
Andrew Duggan interpreta a Harlock en la película.
Larry Keating hace el papel de Admiral P.P. Spewter.
Oscar Beregi Jr. interpreta a Nazi Admiral (as Oscar Beregi) en la película.
Charles Meredith interpreta a Fleet Admiral en la película.
Elizabeth MacRae interpreta a Ladyfish (voice) en la película.
Paul Frees interpreta a Crusty (voice) en la película.
Wesley Gale interpreta a Man Staring Into Window (uncredited) en la película.
Peter Adams interpreta a Lieutenant (uncredited) en la película.
Leon Alton hace el papel de Officer at Fleet Admiral's Meeting (uncredited).
Phil Arnold interpreta a Short Fisherman (uncredited) en la película.
George Bruggeman interpreta a Nazi Officer (uncredited) en la película.
Paul Busch hace el papel de Sonar Man (uncredited).
Al Checco interpreta a Sailor (uncredited) en la película.
Cordy Clark hace el papel de Giggling Girl (uncredited).
Roydon Clark hace el papel de Sailor (uncredited).
Sayre Dearing hace el papel de Passerby/Naval Officer at Meeting (uncredited).
George DeNormand hace el papel de Nazi Officer (uncredited).
Dan Dowling interpreta a Naval Officer at Meeting (uncredited) en la película.
Harold Dyrenforth interpreta a U-Boat Captain (uncredited) en la película.
Louie Elias hace el papel de Sailor (uncredited).
Lisabeth Field interpreta a Miss Barnes (uncredited) en la película.
Logan Field interpreta a Lieutenant (uncredited) en la película.
Fred Fisher interpreta a Officer at Fleet Admiral's Meeting (uncredited) en la película.
Walter Friedel interpreta a Nazi Officer (uncredited) en la película.
George Golden interpreta a Naval Officer at Fleet Admiral Meeting (uncredited) en la película.
Marv Goux hace el papel de Nazi Officer (uncredited).
John Hale hace el papel de Sailor (uncredited).
Sam Harris interpreta a Officer at Fleet Admiral's Briefing (uncredited) en la película.
George Holmes interpreta a Scientist (uncredited) en la película.
Joseph La Cava hace el papel de Officer at Fleet Admiral's Briefing (uncredited).
Mike Lally interpreta a Naval Officer at Meeting (uncredited) en la película.
Harold Miller interpreta a Officer at Fleet Admiral's Briefing (uncredited) en la película.
Charles Morton interpreta a Boat Captain (uncredited) en la película.
Henry Norell interpreta a Sailor (uncredited) en la película.
Jack Pepper hace el papel de Sport Fishmern (uncredited).
Montie Plyler hace el papel de Helmsman (uncredited).
Felix Reinsch hace el papel de Submarine Captain (uncredited).
Waclaw Rekwart hace el papel de Passerby (uncredited).
Heinz Sadler interpreta a Sonar Man (uncredited) en la película.
Scott Seaton hace el papel de Old Man in Shipping Office (uncredited).
Jack Shea interpreta a Sailor (uncredited) en la película.
John Truax interpreta a Policeman (uncredited) en la película.
Edward Wermel interpreta a Scientist (uncredited) en la película.
Feridun Çölgeçen hace el papel de Scientist (uncredited).
Capítulo disponible en las siguientes plataformas:
