Mystery Submarine_
"Undersea Raider at Large!"
Posing as an ex-German medical officer, a U. S. Navy Intelligence Officer sets out to rescue a kidnapped scientist, and sink a Nazi submarine, hiding off the coast of South America.
Starring
Macdonald Carey, Märta Torén, Robert Douglas
Updated Feb 16, 2026
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Year context
Mystery Submarine was released 76 years ago in 1950.
Overview
Posing as an ex-German medical officer, a U. S. Navy Intelligence Officer sets out to rescue a kidnapped scientist, and sink a Nazi submarine, hiding off the...
Mystery Submarine is a War, Drama, Thriller film with a runtime of 1h 18m.
CAST (16)
Macdonald Carey
Brett Young
Märta Torén
Madeline Brenner
Robert Douglas
Commander Von Molter
Carl Esmond
Heldman
Ludwig Donath
Adolph Guernitz
Jacqueline Dalya
Carla
Fred Nurney
Bruno
Katherine Warren
Mrs. Weber
Howard Negley
Captain Elliott
BM
Bruce Morgan
Kramer
RB
Ralph Brooks
Stefan
PH
Paul Hoffman
Hartwig
PM
Peter Michael
Crew Members
LW
Larry Winter
Crew Members
FR
Frank Rawls
Crew Members
PS
Peter Similuk
Crew Members
DETAILS
FREQUENTLY ASKED QUESTIONS
What is Mystery Submarine about?
Posing as an ex-German medical officer, a U. S. Navy Intelligence Officer sets out to rescue a kidnapped scientist, and sink a Nazi submarine, hiding off the coast of South America.
How long is Mystery Submarine?
Mystery Submarine has a runtime of 78 minutes (1h 18m).
Who stars in Mystery Submarine?
The cast of Mystery Submarine includes Macdonald Carey, Märta Torén, Robert Douglas, Carl Esmond, Ludwig Donath.
What is the rating of Mystery Submarine?
Mystery Submarine has a rating of 4.0 out of 10 based on 1 votes on TMDB.
GENRES (3)
War
Drama
Thriller