Ivan Goff and Ben Roberts made 18 films together, and the 13 rated ones average 6.62. The best is White Heat at 8.1.

Ivan Goff averages 6.62, Ben Roberts averages 6.62. Apart that suggests 6.62; together they average 6.62, a lift of 0.00.

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