- Richard Greene
- Perry Townsend III
- Nancy Kelly
- Susan Leeds
- Preston Foster
- Lt. (j.g.) John C. Drake
- George Bancroft
- Capt. Leeds
- Slim Summerville
- Ellsworth 'Spuds' Fickett - Cook
- John Carradine
- McAllison
- Joan Valerie
- Anne
- Henry Armetta
- Luigi
- Dick Hogan
- Seaman Johnny Miller
- Warren Hymer
- Seaman Rocky Haggerty
- Elisha Cook Jr.
- Seaman Rutherford Davis Pratt - aka 'The Professor'
- Douglas Fowley
- Seaman Pinky Brett
- J. Farrell MacDonald
- CWO 'Sails' Quincannon
- George E. Stone
- Seaman Irving Goldfarb
- Jack Pennick
- Bos'un 'Guns' McPeek
- Maxie Rosenbloom
- Marine Sentry Sgt. Joe Duffy
- Charles Trowbridge
- Rear Admiral Joseph Maitland
- Moroni Olsen
- The Fleet Captain
- Ward Bond
- Seaman Olaf Swanson
- Robert Lowery
- Sparks - Radioman
- Harry Strang
- Seaman Grainger
- Victor Varconi
- Vanzano - Italian Naval Chaplain
- Ernie Alexander
- Warship Sailor
- Murray Alper
- Orderly in Maitland's Office
- George Bruggeman
- Sailor
- Lon Chaney Jr.
- Marine Sentry
- Dorothy Christy
- McPeek's Girl
- Russ Clark
- Anderson
- E.E. Clive
- Briish Officer
- Ray Cooke
- Warship Sailor
- Alan Davis
- Maitland's Secretary-Lieutenant
- S. East
- Minor Role
- Duke Green
- Warship Sailor
- Fred Malatesta
- Italian Gendarme at the 'Maria Ann'
- Frank Moran
- Waiter at Dive
- Manuel ParÃs
- Italian Gendarme at the 'Maria Ann'
- Ferdinand Schumann-Heink
- German Officer
- Hans Schwimmer
- Minor Role
- Charles Tannen
- Kelly
- Harry Tenbrook
- Sailor
- Max Wagner
- Marine Corporal
- Dick Wessel
- Dock Shore Patrolman
