John Ford and Russell Simpson made 10 films together, and the 9 rated ones average 7.21, 0.30 above their career marks. The best is The Grapes of Wrath at 8.1.

John Ford averages 7.00, Russell Simpson averages 6.82. Apart that suggests 6.91; together they average 7.21, a lift of +0.30.

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