William Tracy
— Sgt. Dorian 'Dodo' Doubleday
Joe Sawyer
— Sgt. Ames
Marjorie Woodworth
— Phyllis Arden
Minor Watson
— Capt. Scott
Frank Faylen
— Quartermaster Jenkins
Walter Woolf King
— Capt. Gillis
Romaine Callender
— Col. Elliott
Robert Kent
— Lt. Reeves
William Bakewell
— Ens. Crosby (uncredited)
Marga Ann Deighton
— Miss Potter (uncredited)
James Finlayson
— Cook Flynn (uncredited)
Alan Hale Jr.
— Colonel's Orderly (uncredited)
Eddie Hall
— Seasick Soldier (uncredited)
Fred Kohler Jr.
— Sailor Swabbing Deck (uncredited)
Lyle Latell
— Helmsman (uncredited)
Richard Loo
— Japanese Submarine Officer (uncredited)
Malcolm 'Bud' McTaggart
— Cpl. Quinn (uncredited)
Joe Ploski
— Soldier in Hammock (uncredited)
Frank Reicher
— German Soldier (uncredited)
Tom Seidel
— Helmsman (uncredited)
Edwin Stanley
— Dr. Hadley (uncredited)
Dick Wessel
— Ship Cargo Seaman (uncredited)