Robert Duvall and William Windom made 2 films together, averaging 6.95, 0.48 above their career marks. The best is To Kill a Mockingbird at 8.0.

Robert Duvall averages 6.53, William Windom averages 6.41. Apart that suggests 6.47; together they average 6.95, a lift of +0.48.

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