John Stuart and Lionel Jeffries made 4 films together, and the 2 rated ones average 6.25, 0.17 below their career marks. The best is The Revenge of Frankenstein at 6.6.

John Stuart averages 6.46, Lionel Jeffries averages 6.37. Apart that suggests 6.42; together they average 6.25, a lift of −0.17.

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