When his import/export business infiltrated by international diamond smugglers, Mr. Moto must follow a trail of clues littered with beautiful women, glittering gems and deadly assassins. Making his way from the mysterious streets of San Francisco's Chinatown to the dark and dangerous alleys of Shanghai, Mr. Moto will stop at nothing to bring the culprits to justice...even if it means making the ultimate sacrifice!
Peter Lorre
Kentaro Moto
Virginia Field
Gloria Danton/Tanya Boriv
Thomas Beck
Robert 'Bob' Hitchings, Jr.
Sig Ruman
Nicolas Marloff
Murray Kinnell
Joseph B. Wilkie
John Rogers
Carson
Lotus Long
Lela Liu
George Cooper
Muggs Blake
J. Carrol Naish
Adram
Frederick Vogeding
Curio Dealer
William Law
Shanghai Police Chief
