A Romance of the Underworld (1918) — Cast
Cast
| Eugene O'Brien | Thomas |
| Catherine Calvert | Elliott |
| David Powell | Elliott |
| Cecil Chichester | Dopey |
| Ted 'Kid' Lewis | Fighter |
| Kid Broad | Fighter |
| Marcia Harris | Sarah |
| Harry Lee | Jake |
| Cecil Chichester | Benny |
| Kid Broad | Fighter |
| Ted 'Kid' Lewis | Fighter |
| Harry Lee | Slippery |
| Sibyl Carmen | Mamie |
| Marcia Harris | Sarah |
| Edwin Forsberg | O'Leary |
| Catherine Calvert | Doris |
| David Powell | Elliott |
| Eugene O'Brien | Thomas |
| Edwin Forsberg | Michael |
| Sibyl Carmen | Bronson |
Crew
| Larry Williams | Camera Operator |
| Paul Armstrong | Theatre Play |
| James Kirkwood | Director |
| Frank A. Keeney | Presenter |
| James Kirkwood | Supervisor of Production Resources |
| Mildred Considine | Screenplay |
| Mildred Considine | Screenplay |
| Paul Armstrong | Theatre Play |
| James Kirkwood | Director |
| Larry Williams | Camera Operator |
| James Kirkwood | Supervisor of Production Resources |
| Frank A. Keeney | Presenter |