Director and writer
Sam Firstenberg averages 4.80, James Booth averages 5.13. Apart that suggests 4.97; together they average 5.40, a lift of +0.44.
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.
| Avenging Force | 1986 | 5.8 | 3,914 | Director | Writer, as Adm. Brown |
 American Ninja 2: The Confrontation | 1987 | 5.0 | 10,874 | Director | Writer |
