Cast
- Jack Mulhall as Craig Kennedy
- Rex Lease as Walter Jameson
- Mae Busch as Mrs. Paul Gironda
- Ruth Mix as Shirley McMillan
- William Farnum as Gordon Gaunt
- Marion Shilling as Verna Gironda
- Bryant Washburn as Denton
- Robert Frazer as Dr. Paul Gironda [Chs.1,4,8,13-15]
- Gaston Glass as Louis Bouchard
- Mahlon Hamilton as Montgomery [Chs.1,2,5,6]
Crew
- Albert Herman · Director
- Arthur B. Reeve · Writer
- George M. Merrick · Writer
- Eddie Granemann · Writer
- Leon D'Usseau · Writer
- Louis Weiss · Producer
- James Diamond · Cinematographer
- Earl Turner · Editor