

"Tyrone Power -- Leading a reckless crew on the war's most daring mission!"
A US Navy submarine, the USS Corsair, is operating in the North Atlantic, hunting German merchant raiders that are preying on Allied shipping. Its new executive officer, Lt. Ward Stewart, has been transferred back into submarines after commanding his own PT boat. At the submarine base in New London, Connecticut, he asks his new captain, Lt. Cmdr. Dewey Connors, for a weekend leave to settle his affairs before taking up his new assignment. On a train bound for Washington D.C., Stewart accidentally encounters New London school teacher Jean Hewlett and her students. Despite her initial resistance to his efforts, he charms her and they fall in love.
Lt. Ward Stewart

Jean Hewlett

Lt. Cdr. Dewey Connors

Chief Mike 'Mac' McDonnell

Grandmother

Brownie

Oliver Cromwell Jones

Shipwrecked Captain (uncredited)

Curly Bowman (uncredited)

Seaman Rizzi (uncredited)

Q Boat Lieutenant (uncredited)
Capt. Bryson

German Seaman

Lieutenant
Angry Man at Hotel Registration Desk

Undetermined Secondary Role
Schoolgirl
Simmons - Desk Clerk

Sailor

Boy in Lifeboat
Hotel Desk Clerk
Henry the Butler
Officer
Wreckage Victim

Lee Wong

Pop

Senator from Texas

Teenage Student
Crew Member

Miss Bromley

Schoolgirl
Doris - Jean's Roommate

Shore Police

Telephone Operator

Senator's Wife
Schoolgirl
Sailor

Crony

Undetermined Secondary Role
German Officer
Man at Hotel Registration Desk
Captain of Submarine

Mother
Hotel Guest
German Signalman

German Q-Boat Commander

Porter

Officer

Seaman Hammond

Schoolgirl
German Soldier

Russian Officer
Y Gun Operator
Adm. Bob Stewart

Woman
First Waiter
Tanker Lieutenant