Government Agent Conway, posing as a crew member of a ship, is investigating the flood of counterfeit money that seemingly is originating for a gambling ship, moored off-shore beyond the three-mile limit and operated by gangster Dave Reeves.
Jack Holt
as Treasury Agent Conway
Harry Carey
as Captain Bailey
Sig Ruman
as Van Cleve
Eduardo Ciannelli
as Dave Reeves
Donald Briggs
as Jimmy Rothaker
Irene Ware
as Dorothy Kenney
Dick Purcell
as Agent Melvin Pierce
Ben Welden
as Lefty Shores
Paul Fix
as Bill Swanson
George J. Lewis
as Ed Morrow
Harry Harvey
as Gambler (uncredited)
Kathleen Howard
as Socialite (uncredited)
