Robert Morley and Fred Griffiths made 3 films together, and the 2 rated ones average 6.85, 0.43 above their career marks. The best is Murder at the Gallop at 7.1.

Robert Morley averages 6.21, Fred Griffiths averages 6.62. Apart that suggests 6.42; together they average 6.85, a lift of +0.43.

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