Thunder Afloat 1939

Synopsis:

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

Directed by: George B. Seitz
Written by: Wells Root & Harvey S. Haislip
Runtime: 95 minutes
Tagline: Screaming adventure with fighters of America's "Suicide Fleet!"
Cast:
Wallace Beery
Wallace Beery
John Thorson 
Chester Morris
Chester Morris
'Rocky' Blake 
Virginia Grey
Virginia Grey
Susan Thorson 
Douglass Dumbrille
Douglass Dumbrille
District Commander 
Carl Esmond
Carl Esmond
U-Boat Captain 
Clem Bevans
Clem Bevans
'Cap' Finch