Richard Greene

Character: Perry Townsend III

Nancy Kelly

Character: Susan Leeds

Preston Foster

Character: Lt. (j.g.) John C. Drake

George Bancroft

Character: Capt. Leeds

Slim Summerville

Character: Ellsworth 'Spuds' Fickett, cook

J. Farrell MacDonald

Character: CWO 'Sails' Quincannon

Warren Hymer

Character: Seaman Rocky Haggerty

Douglas Fowley

Character: Seaman Pinky Brett

Dick Hogan

Character: Seaman Johnny Miller

Elisha Cook Jr.

Character: Seaman Rutherford Davis Pratt, aka 'The Professor'

George E. Stone

Character: Seaman Irving Goldfarb

John Carradine

Character: McAllison

Ward Bond

Character: Seaman Olaf Swanson

Moroni Olsen

Character: The Fleet Captain

Charles Trowbridge

Character: RAdm. Joseph Maitland

Maxie Rosenbloom

Character: Marine Sentry Sgt. Joe Duffy

Joan Valerie

Character: Anne

Henry Armetta

Character: Luigi

Jack Pennick

Character: Bos'un 'Guns' McPeek

Robert Lowery

Character: Sparks, radioman

Harry Strang

Character: Seaman Grainger

Victor Varconi

Character: Italian Naval Chaplain Vanzano

Russ Clark

Character: Undetermined Part (script name, Anderson)

Charles Tannen

Character: Undetermined Part (script name, Kelly)

Ernie Alexander

Character: Warship Sailor

Murray Alper

Character: Orderly in Maitland's Office

Lon Chaney Jr.

Character: Marine Sentry

Dorothy Christy

Character: McPeek's Girl

E. E. Clive

Character:

Ray Cooke

Character: Warship Sailor

Alan Davis

Character: Maitland's Secretary-Lieutenant

Duke Green

Character: Warship Sailor

Fred Malatesta

Character: Italian Gendarme at the 'Maria Ann'

Frank Moran

Character: Waiter at Dive

Manuel París

Character: Italian Gendarme at the 'Maria Ann'

Ferdinand Schumann-Heink

Character: German Officer

Dick Wessel

Character: Dock Shore Patrolman (facing camera)