Clark Gable as Cmdr. Richardson

Burt Lancaster as Lt. Jim Bledsoe

Jack Warden as Yeoman 1st Class Mueller

Brad Dexter as Cartwright

Don Rickles as Quartermaster 1st Class Ruby

Nick Cravat as Russo

Joe Maross as Kohler

Mary LaRoche as Laura Richardson

Eddie Foy III as Larto

Rudy Bond as Sonarman 1st Class Cullen

Jimmy Bates as Jessie (uncredited)

Joel Fluellen as Bragg (uncredited)

Ken Lynch as Frank (uncredited)

H.M. Wynant as Corpsman Hendrix (uncredited)

Teru Shimada as Japanese Submarine Commander (uncredited)

Skip Ward as Minor Role (uncredited)

Russell Thorson as Submarine Crewman (uncredited)

Rodger Terry as Crewman (uncredited)

Maurice McEndree as Radio Operator (uncredited)

Alexander Lockwood as Minor Role (uncredited)

Dale Ishimoto as Japanese sailor (uncredited)

John Gibson as Capt. Blunt (uncredited)

John Close as Co-ordinate Fixer at Bungo Straits (uncredited)

John Bryant as Carl Beckman (uncredited)