Xander Berkeley and Sy Richardson made 4 films together, averaging 6.25, 0.09 above their career marks. The best is Sid and Nancy at 7.0.

Xander Berkeley averages 6.32, Sy Richardson averages 6.00. Apart that suggests 6.16; together they average 6.25, a lift of +0.09.

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