Cmdr, Richardson
Lt. Jim Bledsoe
Yeoman 1st Class Mueller
Cartwright
Quartermaster 1st Class Ruby
Russo
Kohler
Laura Richardson
Larto
Sonarman 1st Class Cullen
Jessie (uncredited)
Bragg (uncredited)
Frank (uncredited)
Corpsman Hendrix (uncredited)
Japanese Submarine Commander (uncredited)
Minor Role (uncredited)
Submarine Crewman (uncredited)
Crewman (uncredited)
Radio Operator (uncredited)
Minor Role (uncredited)
Japanese sailor (uncredited)
Capt. Blunt (uncredited)
Co-ordinate Fixer at Bungo Straits (uncredited)
Carl Beckman (uncredited)