A U.S. Navy crew aboard a merchant marine ship battle Nazis.
Pat O’Brien
as Chief Michael 'Mike' Mallory
George Murphy
as Lt. Thomas L. 'Tom' Sands
Jane Wyatt
as Myra Mallory
Jackie Cooper
as Joe 'Babe' Duttson
Carl Esmond
as Richard 'Dutch' Kroner
Max Baer
as Coxswain G. Berringer
Desi Arnaz
as Pat Tarriba
Ray Collins
as Capt. McCall
Franklin D. Roosevelt
as Himself (Voice)
Lee Bonnell
as Kovac
Frank Jenks
as Sampier
John McGuire
as James Bayless (as John Maguire)
