Donovan unknowingly becomes tangled up with jewel thieves when Evelyn Howard gives him a cigarette lighter containing some hot rocks.
as Duke Donovan
as Margie Simpson
as Evelyn Howard
as Ivan Petroff
as Grimy
as Crowley
as Professor Howard
as Adams
as Harry Goodfellow
as Purser Brooks
as Detective Lieutenant
as Detective
as Ox
as Malay Mike
as Detective
