Richard Greene
Perry Townsend III
Preston Foster
Lt. (j.g.) John C. Drake
George Bancroft
Capt. Leeds
Slim Summerville
Ellsworth 'Spuds' Fickett, cook
J. Farrell MacDonald
CWO 'Sails' Quincannon
Warren Hymer
Seaman Rocky Haggerty
Douglas Fowley
Seaman Pinky Brett
Dick Hogan
Seaman Johnny Miller
Elisha Cook Jr.
Seaman Rutherford Davis Pratt, aka 'The Professor'
George E. Stone
Seaman Irving Goldfarb
Ward Bond
Seaman Olaf Swanson
Moroni Olsen
The Fleet Captain
Charles Trowbridge
RAdm. Joseph Maitland
Maxie Rosenbloom
Marine Sentry Sgt. Joe Duffy
Jack Pennick
Bos'un 'Guns' McPeek
Robert Lowery
Sparks, radioman
Harry Strang
Seaman Grainger
Victor Varconi
Italian Naval Chaplain Vanzano
Russ Clark
Undetermined Part (script name, Anderson)
Charles Tannen
Undetermined Part (script name, Kelly)
Ernie Alexander
Warship Sailor
Murray Alper
Orderly in Maitland's Office
Lon Chaney Jr.
Marine Sentry
Dorothy Christy
McPeek's Girl
Alan Davis
Maitland's Secretary-Lieutenant
Fred Malatesta
Italian Gendarme at the 'Maria Ann'
Frank Moran
Waiter at Dive
Manuel París
Italian Gendarme at the 'Maria Ann'
Ferdinand Schumann-Heink
German Officer
Dick Wessel
Dock Shore Patrolman (facing camera)
