William Windom and Robert Duvall made 2 films together, averaging 7.35, 0.68 above their career marks. The best is To Kill a Mockingbird at 8.2.

William Windom averages 6.61, Robert Duvall averages 6.72. Apart that suggests 6.67; together they average 7.35, a lift of +0.68.

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