Cast & crew
Dangerous Hours (1919)
Directed by Fred Niblo Written by C. Gardner Sullivan, Brian Oswald Donn-Byrne
Cast
| Tom O'Brien | Bolshevik |
| Lloyd Hughes | King Randor |
| Barbara Castleton | Weston |
| Claire Du Brey | Sophia Barros |
| Jack Richardson | Boris |
| Walt Whitman | King Randor |
| Louis Morrison | Regan |
| Gordon Mullen | Felton |
Crew
| C. Gardner Sullivan | Screenplay |
| Fred Niblo | Director |
| Brian Oswald Donn-Byrne | Story |
| C. Gardner Sullivan | Writer |