Cast
- Thunder the Dog as Black Lightning
- Clara Bow as Martha Larned
- Harold Austin as Roy Chambers
- Eddie Phillips as Ez Howard
- Joe Butterworth as Dick Larned
- Mark Fenton as Doctor
- John Pringle as City Doctor
- James P. Hogan as Frank Larned
- Jim Mason as Jim Howard
Crew
- James P. Hogan · Director
- Harry Davis · Writer
- Dorothy Howell · Writer
- James P. Hogan · Producer
- James P. Hogan · Cinematographer