Mae Marsh and Chuck Roberson made 8 films together, averaging 6.60, 0.04 below their career marks. The best is The Searchers at 7.7.

Mae Marsh averages 6.72, Chuck Roberson averages 6.56. Apart that suggests 6.64; together they average 6.60, a lift of −0.04.

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