Directed by: Norman J. LeBlanc

Written by: Yves Coulon and Béatrice Marthouret

Storyboard by:  

Main characters:

Bob Morane
Bill Ballantine
Sophia Paramount
Sir Archibald Baywater
High Commissioner Carson
Old Woman
Tania Orloff
Ming 1
Ming 2

Synopsis:

Strange mechanical dolls lure Bob Morane below Chinatown in San Francisco. In this mysterious underground labyrinth, Ming has installed one of his duplicators.

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