Characters played by Clark Gable
Cmdr. 'Rich' Richardson
Characters played by Burt Lancaster
Lt. Jim Bledsoe
Characters played by Jack Warden
Yeoman 1st Class Mueller
Characters played by Brad Dexter
Ens. Gerald Cartwright
Characters played by Don Rickles
Quartermaster 1st Class Ruby
Characters played by Nick Cravat
Russo
Characters played by Joe Maross
Chief Kohler
Characters played by Mary LaRoche
Laura Richardson
Characters played by Eddie Foy III
Larto
Characters played by Rudy Bond
Sonarman 1st Class Cullen
Characters played by Jimmy Bates
Jessie
Characters played by John Bryant
Carl Beckman
Characters played by John Close
Co-ordinate Fixer at Bungo Straits
Characters played by Joel Fluellen
Bragg
Characters played by John Gibson
Capt. Blunt
Characters played by Dale Ishimoto
Japanese sailor
Characters played by Alexander Lockwood
Minor Role
Characters played by Ken Lynch
Frank
Characters played by Maurice McEndree
Radio Operator
Characters played by Teru Shimada
Japanese Submarine Commander
Characters played by Rodger Terry
Crewman
Characters played by Russell Thorson
Submarine Crewman
Characters played by Skip Ward
Minor Role
Characters played by H.M. Wynant
Corpsman Hendrix