Mystery Submarine

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

Bruce Morgan

Kramer

Ralph Brooks

Stefan

Paul Hoffman

Hartwig