Cast
- Herbert Rawlinson as Sanford Quest
- Ann Little as Lenora MacDougal
- William Worthington as Prof. Ashleigh
- William Worthington as Lord Ashleigh
- William Worthington as Lady Ashleigh
- Mark Fenton as Inspector French
- Laura Oakley as Laura - Quest's Assistant
- Frank MacQuarrie as John Craig
- Frank Lloyd as Ian MacDougal
- Helen Wright as Lady Ashleigh
- Helen Wright as Mrs. Reinholdt
- Beatrice Van as Ashleigh's Daughter
- Hylda Hollis as Mrs. Bruce Rheinholdt
Crew
- Otis Turner · Director
- Jeanie Macpherson · Writer
- E. Phillips Oppenheim · Writer
- Otis Turner · Writer
- Otis Turner · Producer