- Edward G. Robinson
- Steve Boleslavski
- Glenn Ford
- Mickey Donohue
- Marguerite Chapman
- Mary Boleslavski
- Edgar Buchanan
- Kansas Jackson
- Leo Gorcey
- Sarecky
- Regis Toomey
- Lt. Cmdr. Clark
- Edward Brophy
- Casey
- Warren Ashe
- Lt. Marton
- Frank Beckford
- Yeoman
- Dean Benton
- Moore
- Curt Bois
- Yasha
- Lynton Brent
- Doctor
- Roy Brent
- Sailor
- Lloyd Bridges
- 2nd Fireman
- Charles D. Brown
- Doctor
- Stanley Brown
- Marine / Fireman (uncredited)
- George Bruggeman
- Cook
- Alma Carroll
- Sailor's Girl Friend
- Eddy Chandler
- Chief Gunner's Mate
- Cliff Clark
- Commandant
- Roger Clark
- Chief Engineer
- Edmund Cobb
- 1st Workman
- Tristram Coffin
- Doctor #1
- Eddie Coke
- Storekeeper
- Eleanor Counts
- Sarecky's Girl
- Roy Darmour
- Pharmacist's Mate
- Eddie Dew
- Survivor
- Lester Dorr
- 1st Ship Fitter
- John Estes
- Helmsman
- Benson Fong
- Japanese Sonar Man
- Jerry Franks Jr.
- Pharmacist's Mate / Bridge Talker (uncredited)
- Jack Gardner
- Sailor
- Bud Geary
- 2nd Ship Fitter
- Eddie Hall
- Austin
- Lloyd Hanson
- Collins
- Al Hill
- Knife-Eating Sailor
- David Holt
- Sobbing Sailor
- John David Horsley
- Fireman Thomas
- Mauritz Hugo
- Survivor
- Bobby Jordan
- Sobbing Sailor
- Stephen Keyes
- Seaman Guard
- Richard Loo
- Japanese Submarine Commander
- Kenneth MacDonald
- Naval Officer
- George Magrill
- Marine
- Don McGill
- Survivor
- Charles McGraw
- Assistant Chief Engineer
- Robert McKenzie
- Justice of the Peace
- David McKim
- Signalman
- Frank Melton
- Doctor
- John Merton
- Chief Quartermaster
- Gertrude Messinger
- Girl
- Bob Milton
- J.V. Talker
- Dennis Moore
- Communications Officer
- Pat O'Malley
- Postman
- Larry Parks
- Ens. Johnson
- Shirley Patterson
- Bigbee's Girl
- Paul Perry
- Doctor
- Don Peters
- Helmsman
- Neil Reagan
- Lt. J.C. Randolph
- Mickey Rentschler
- J.V. Talker
- Addison Richards
- Ferguson
- Gene Rizzi
- Survivor
- Ronald R. Rondell
- Survivor
- Clark Ross
- Pharmacist's Mate
- Virginia Sale
- Spinster
- Charles Sherlock
- Chief Machinist's Mate
- George Sherwood
- Workman
- Mel Shubert
- James
- Milburn Stone
- Radioman
- John Tyrrell
- Marine
- Dale Van Sickel
- Sailor
- Dorothy Vernon
- Justice of the Peace's Wife
- Eddy Waller
- Riveter
- Pierre Watkin
- Admiral
- Frank Wayne
- Pharmacist's Mate
- Craig Woods
- Bigbee
- Billy Young
- Storekeeper
