Thunder Afloat

Screaming adventure with fighters of America's "Suicide Fleet!"

A tugboat captain serves under his rival as a U-boat chaser in World War I.

Action Drama Romance War

Wallace Beery

Chester Morris

('Rocky' Blake)

Virginia Grey

(Susan Thorson)

Douglass Dumbrille

(District Commander)

Carl Esmond

(U-Boat Captain)

Clem Bevans

John Qualen

Regis Toomey

Henry Victor

(German U-Boat Officer)

Addison Richards

Hans Joby

(U-Boat Petty Officer)

Henry Hunter

Jonathan Hale

(Admiral Girard)

Leon Ames

(Recruiting Officer (uncredited))

Arthur Belasco

(Fisherman (uncredited))

Joseph E. Bernard

(Fisherman (uncredited))

Wade Boteler

(Recruiting Officer (uncredited))

Al Bridge

(Fisherman (uncredited))

Rand Brooks

(Listener (uncredited))

Don Castle

(Radio Operator (uncredited))

Jack Chapin

(Sailor (uncredited))

Tom Chatterton

(Lieutenant (uncredited))

Jack Rube Clifford

(Captain (uncredited))

Jules Cowles

(Man with Finch (uncredited))

Leigh De Lacey

(Mrs. Gill (uncredited))

Joe De Stefani

(Fisherman (uncredited))

Edgar Dearing

(Petty Officer (uncredited))

Richard Elmore

(Lookout (uncredited))

Frank Faylen

(Recruiting Officer (uncredited))

Budd Fine

(Survivor (uncredited))

Allen Fox

(Lookout (uncredited))

Frederick Lee

(Sailor (uncredited))

Eddie Hart

(Fisherman (uncredited))

Edward Hearn

(Fisherman (uncredited))

Howard Hickman

(Surgeon (uncredited))

Earle Hodgins

(Fisherman (uncredited))

Clarke Jennings

(Wireless Operator (uncredited))

Payne B. Johnson

(Boy (uncredited))

Charles Jordan

(Signalman (uncredited))

Lew Kelly

(Sailor (uncredited))

Jack Kennedy

(Fisherman (uncredited))

Milton Kibbee

(Fisherman (uncredited))

Claire McDowell

(Nurse (uncredited))

Larry McGrath

(Radio Operator (uncredited))

Roger Moore

(Orderly (uncredited))

Philip Morris

(Fisherman (uncredited))

Forbes Murray

(Naval Aide (uncredited))

Frank Orth

(Old Sailor in Bilge Area (uncredited))

Syd Saylor

(Wireless Operator Sending Coded Message (uncredited))

Harold Schlickenmayer

(Engineer (uncredited))

Ferdinand Schumann-Heink

(German Operator (uncredited))

Hans Schumm

(German Sailor Looking for Wireless (uncredited))

Harry Semels

(Cook on Tugboat (uncredited))

Lee Shumway

(Sailor (uncredited))

Robert R. Stephenson

(German Sailor (uncredited))

Harry Strang

(Shore Patrol Sailor (uncredited))

Walter Thiele

(Young German Sailor (uncredited))

Emmett Vogan

(Junior Officer Standing by Map (uncredited))

Wolfram Von Bock

(German Officer (uncredited))

Hans von Morhart

(German Sailor (uncredited))

Doodles Weaver

(Sailor (uncredited))