- Wesley Gale - Man Staring Into Window (uncredited)
- Peter Adams - Lieutenant (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)
- Cordy Clark - Giggling Girl (uncredited)
- Roydon Clark - 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)
- Lisabeth Field - Miss Barnes (uncredited)
- Logan Field - Lieutenant (uncredited)
- Fred Fisher - Officer at Fleet Admiral's Meeting (uncredited)
- Walter Friedel - Nazi Officer (uncredited)
- George Golden - Naval Officer at Fleet Admiral Meeting (uncredited)
- Marv Goux - Nazi Officer (uncredited)
- John Hale - Sailor (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)
- Henry Norell - Sailor (uncredited)
- Jack Pepper - Sport Fishmern (uncredited)
- Montie Plyler - Helmsman (uncredited)
- Felix Reinsch - Submarine Captain (uncredited)
- Waclaw Rekwart - Passerby (uncredited)
- Heinz Sadler - Sonar Man (uncredited)
- Scott Seaton - Old Man in Shipping Office (uncredited)
- Jack Shea - Sailor (uncredited)
- John Truax - Policeman (uncredited)
- Edward Wermel - Scientist (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 hace el papel de George Stickel.
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 hace el papel de Fleet Admiral.
Elizabeth MacRae hace el papel de Ladyfish (voice).
Paul Frees interpreta a Crusty (voice) en la película.
Wesley Gale hace el papel de Man Staring Into Window (uncredited).
Peter Adams interpreta a Lieutenant (uncredited) en la película.
Leon Alton interpreta a Officer at Fleet Admiral's Meeting (uncredited) en la película.
Phil Arnold hace el papel de Short Fisherman (uncredited).
George Bruggeman interpreta a Nazi Officer (uncredited) en la película.
Paul Busch interpreta a Sonar Man (uncredited) en la película.
Al Checco interpreta a Sailor (uncredited) en la película.
Cordy Clark interpreta a Giggling Girl (uncredited) en la película.
Roydon Clark hace el papel de Sailor (uncredited).
Sayre Dearing interpreta a Passerby/Naval Officer at Meeting (uncredited) en la película.
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 interpreta a Sailor (uncredited) en la película.
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 interpreta a Nazi Officer (uncredited) en la película.
John Hale hace el papel de Sailor (uncredited).
Sam Harris interpreta a Officer at Fleet Admiral's Briefing (uncredited) en la película.
George Holmes hace el papel de Scientist (uncredited).
Joseph La Cava interpreta a Officer at Fleet Admiral's Briefing (uncredited) en la película.
Mike Lally hace el papel de Naval Officer at Meeting (uncredited).
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 interpreta a Sport Fishmern (uncredited) en la película.
Montie Plyler hace el papel de Helmsman (uncredited).
Felix Reinsch hace el papel de Submarine Captain (uncredited).
Waclaw Rekwart interpreta a Passerby (uncredited) en la película.
Heinz Sadler hace el papel de Sonar Man (uncredited).
Scott Seaton interpreta a Old Man in Shipping Office (uncredited) en la película.
Jack Shea interpreta a Sailor (uncredited) en la película.
John Truax interpreta a Policeman (uncredited) en la película.
Edward Wermel hace el papel de Scientist (uncredited).
Feridun Çölgeçen hace el papel de Scientist (uncredited).
Capítulo disponible en las siguientes plataformas:
