Trailer
Images
 | Lloyd Hughes as John King |
 | Barbara Castleton as May Weston |
 | Claire Du Brey as Sophia Guerni |
 | Jack Richardson as Boris Blotchi |
 | Walt Whitman as Dr. King |
 | Louis Morrison as Michael Regan |
 | Gordon Mullen as Andrew Felton |
| Tom O'Brien as Bolshevik at Meeting |
| Directing | |
| Fred Niblo | Director |
Writing | |
| C. Gardner Sullivan | Writer |
| Brian Oswald Donn-Byrne | Story |
| C. Gardner Sullivan | Screenplay |
