

A 15 episode serial in which Blake battles the "Scorpion" over possession of a 'death ray' machine.
Robert F. Hill
Julot

Sam Flint
Chief Insp. Henderson
Gail Newbury
Mimi the Policewoman

Jimmy Aubrey
The Hag / Baron Polinka

Theodore Lorch
Daggett, the Butler
George DeNormand
Henchman Pedro