Cast & crew
Hold Your Horses (1921)
Directed by E. Mason Hopper Written by Gerald C. Duffy, Rupert Hughes
Cast
| Tom Moore | Canavan |
| Sylvia Ashton | Canavan |
| Naomi Childers | Beatrice Lacy |
| Bertram Grassby | Cadbury |
| Mortimer E. Stinson | James |
| Sidney Ainsworth | Horace Slughorn |
Crew
| William J. Reiter | Assistant Director |
| John J. Mescall | Cinematography |
| E. Mason Hopper | Director |
| Frank E. Hull | Editor |
| Gerald C. Duffy | Writer |
| Rupert Hughes | Story |