Robert Downey Sr. and Michael Sullivan made 2 films together, and the 1 rated one averages 5.70, 0.24 above their career marks. The best is Greaser's Palace at 5.7.

Robert Downey Sr. averages 5.53, Michael Sullivan averages 5.40. Apart that suggests 5.47; together they average 5.70, a lift of +0.24.

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