Cast & Crew
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John LoderReginald Parker/Edward Grey - June DuprezApril Manby Carson
- Michael St. AngelLt. Bob Carson
- Miles ManderChief Inspector W.R. Allison
- Rose HobartDorothy Kent
- Gilbert EmeryDr. Manby
- Rex EvansLeslie Shelton
- Matthew BoultonInspector Graham
- Olaf HyttenBanks
- Lydia BilbrookMrs. Manby
- Ian WolfeLord Mayor Herman Brandon R. Clive
- Max NosseckDirector
- Herman SchlomProducer