Clicks, scrolling and the pages you open, so we can see what works. Privacy
Director and writer
Mark Roper averages 5.40, David Sparling averages 4.70. Apart that suggests 5.05; together they average 4.70, a lift of −0.35.
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.
| Operation Delta Force 3: Clear Target | 1998 | 4.7 | 2,453 | Director | Writer |
| Operation Delta Force 4: Deep Fault | 1999 | · | 457 | Director | Writer |