Cast & Crew
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Bela LugosiRolf - Lionel AtwillDr. King
- Irene HerveyDr. Harper
- Leif EriksonLaurie
- Ralph MorganKurt Ingston
- Don PorterDick Baldwin
- Nils AstherAgor Singh
- Fay HelmMargaret Ingston
- Frank ReicherDr. Timmons
- Doris LloydMiss Judd
- Francis PierlotDr. Phipps
- Robert HomansCap Beggs
- Janet ShawMillie Carson
- Eddy WallerJeb Harmon
- Cyril DelevantiTorque
- Ford BeebeDirector
- Ford BeebeProducer
- Clarence Upson YoungWriter