Jeff Bennett and Mark Hamill made 2 films together, averaging 6.60, 0.40 above their career marks. The best is I Know That Voice at 7.4.

Jeff Bennett averages 6.08, Mark Hamill averages 6.31. Apart that suggests 6.20; together they average 6.60, a lift of +0.40.

Lift is the average of their films together minus the mean of their two career averages.