Screaming adventure with fighters of America's "Suicide Fleet!"
Thunder Afloat
A tugboat captain serves under his rival as a U-boat chaser in World War I.
George B. SeitzDirector
Wells RootScreenplay
Harvey S. HaislipScreenplay
Harvey S. HaislipStory
Ralph WheelwrightStory
Top Billed Cast
Wallace Beery
John Thorson
Chester Morris
'Rocky' Blake
Virginia Grey
Susan Thorson
Douglass Dumbrille
District Commander
Carl Esmond
U-Boat Captain
Clem Bevans
'Cap' Finch
John Qualen
Milo
Regis Toomey
Ives
Henry Victor
German U-Boat Officer
Addison Richards
Admiral Ross
Henry Hunter
Ensign Dyer
Jonathan Hale
Admiral Girard
Leon Ames
Recruiting Officer (uncredited)
Joseph E. Bernard
Fisherman (uncredited)
