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Shared credits
Hal Roach averages 6.35, Wally Howe averages 6.10. Apart that suggests 6.23; together they average 6.95, a lift of +0.72.
Lift is the average of their films together minus the mean of their two career averages.
Dot size shows IMDb votes; lines are rolling five-film averages. Films with fewer than 1,000 votes are left out.
| A Sailor-Made Man | 1921 | 6.8 | 1,401 | Writer | as Doctor |
| Dr. Jack | 1922 | 7.1 | 1,835 | Writer | as Asylum Guard |