The Bowery Boys tangle with Scotland Yard, diamond smugglers and a gem-toting canine during an ocean cruise.
as Horace Debussy 'Sach' Jones
as Stanislaus 'Duke' Coveleskie
as Babs DeWitt
as Inspector Herbert Saunders
as Mrs. Smythe-Chumley
as Chuck
as Don Clarke
as Blinkie
