Cast & crew
Life's Greatest Problem (1918)
Directed by J. Stuart Blackton Written by Anthony Paul Kelly
Cast
| Mitchell Lewis | Reardon |
| Rubye De Remer | Unity Webster |
| Ida Darling | Craig |
| Helen Ferguson | Craig |
| Eugene Strong | Craig |
| Sidney D'Albrook | Agitator |
| Gus Alexander | Lefty |
| John P. Wade | Craig |
| John Goldsworthy | Craig |
| John W. Martin | Superintendent |
| Bernard Randall | Mussburger's Secretary |
| Aubrey Beattie | Wilkins |
Crew
| J. Stuart Blackton | Director |
| Anthony Paul Kelly | Writer |