Lieutenant Commander John Byrne of the Naval Secret Service and his partner Pvt. Bill Riggers chase criminal Dr. Sin Fang, who is desperate to find a lost sacred seal. (The fifth and only surviving episode of a six-part serial about an evil mastermind inspired on Sax Rohmer's Dr. Fu Manchu.)
Director
Fred Paul
Status
Released
Budget
N/A
Revenue
N/A
Visual archive
The cast
H. Agar Lyons
Dr. Sin Fang
Fred Paul
Lt. Comdr. John Byrne R. N. of the N. S. S.
Wally Patch
Private Bill Riggers
Fred Rains
Professor Harbray
Evelyn Arden
Betty Harbray
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