Cast & Crew
-
Bela LugosiDr. Feodor Orloff/Prof. John Dearborn - Hugh WilliamsDet. Insp. Larry Holt
- Greta GyntDiana Stuart
- Edmond RyanLieutenant Patrick O'Reilly
- Wilfred WalterJake
- Alexander FieldFred Grogan
- May HallattPolice Constable Griggs
- Bryan HerbertPolice Sgt. Walsh
- Walter SummersDirector
- John ArgyleProducer