Mystery Submarine

Carl Esmond as Heldman Ludwig Donath as Adolph Guernitz Fred Nurney as Bruno Katherine Warren as Mrs. Weber Macdonald Carey as Brett Young Märta Torén as Madeline Brenner Robert Douglas as Commander Von Molter Jacqueline Dalya as Carla Howard Negley as Captain Elliott

Virgil W. Vogel Editor Bud Westmore Makeup Artist Douglas Sirk Director