Director and writer
Adam Marcus averages 4.60, Debra Sullivan averages 5.00. Apart that suggests 4.80; together they average 4.85, a lift of +0.05.
Lift is the average of their films together minus the mean of their two career averages.
2013
2015Dot size shows IMDb votes; lines are rolling five-film averages. Films with fewer than 1,000 votes are left out.
| Snow Days | 1999 | · | 652 | Director | as Patricia Milson (not counted) |
| Conspiracy | 2008 | 4.7 | 4,342 | Director, Writer | Writer |
 Texas Chainsaw | 2013 | 4.8 | 61,466 | Writer | Writer (not counted) |
 Momentum | 2015 | 5.5 | 17,934 | as Dinner Guest, Producer, Writer | Writer, Producer (not counted) |
| Secret Santa | 2018 | 5.0 | 1,473 | Writer, Editor, Director | Writer, as Shari |
| Hearts of Darkness: The Making of the Final Friday | 2025 | · | 51 | Writer, Producer | Producer (not counted) |
