

Thunder Afloat
1939 · 95 min · Action, Drama, Romance, WarNR
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.
- Director
- George B. Seitz
- Writers
- Ralph Wheelwright, Wells Root, Harvey S. Haislip
- Released
- September 15, 1939
- Language
- English
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
Hans Joby
U-Boat Petty Officer

Henry Hunter
Ensign Dyer
Where to watch in the US
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Streaming data from JustWatch, via TMDB.