Thunder Afloat (1939)
A tugboat captain serves under his rival as a U-boat chaser in World War I.
- Country : United States of America
- Genre : Action, Drama, Romance, War
- Studio : Metro-Goldwyn-Mayer
- Director : George B. Seitz
- Cast : Wallace Beery, Chester Morris, Virginia Grey, Douglass Dumbrille, Carl Esmond, Clem Bevans