Two rivals are out to recover a cache of stolen jewels. The thief who originally stole them has just gotten out of prison, however, and he is looking for his twin brother, who knows where the jewels are hidden. Complications ensue.
as Jo Louis Walker / 'Kommissar X'
as Capt. Tom Rowland
as Emily Lambert
as Betty Rogers
as Anthony
as Robert Hillary / Arthur Hillary
as Insp. Lefevre
as Smoky
as Elizabeth Hillary
as Inspektor Barry
as William Rogers
