Cast & crew
Don't Weaken! (1920)
Directed by Malcolm St. Clair
Cast
| Ford Sterling | Acrobata Yonson |
| James Finlayson | Luke |
| Charles Murray | Reilly |
| Fanny Kelly | Melartin's Wife |
| Harriet Hammond | Elderly Woman's Daughter |
| Joseph Belmont | Beau Burroughs |
| Billy Armstrong | Pianist |
| Lige Conley | Poker |
| Eddie Gribbon | Pupil |
| Al Cooke | Butler |
| Virginia Fox | Pupil |
| Patrick Kelly | Timekeeper |
| Gordon Lewis | Pupil |
| Tiny Ward | Poker |
| Charlotte Mineau | (uncredited) |
| Kalla Pasha | Pupil |
| John Rand | (uncredited) |
Crew
| Malcolm St. Clair | Director |
| Fred Jackman | Director of Photography |
| J.R. Lockwood | Director of Photography |
| Mack Sennett | Producer |