Cast & crew
The Blot (1921)
Directed by Lois Weber Written by Marion Orth, Lois Weber
Cast
| Philip Hubbard | Griggs |
| Margaret McWade | Griggs |
| Larry Steers | (uncredited) |
| Louis Calhern | Phil |
| Marie Walcamp | Juanita |
| Claire Windsor | Griggs |
| William H. O'Brien | (uncredited) |
| Gertrude Short | Neighbor |
Crew
| Gordon Jennings | Director of Photography |
| Philip R. Du Bois | Director of Photography |
| Lois Weber | Director |
| Lois Weber | Producer |
| Marion Orth | Writer |
| Lois Weber | Writer |