Jack Douglas and Eric Rogers made 5 films together, averaging 5.42, 0.28 below their career marks. The best is Carry on Abroad at 6.5.

Jack Douglas averages 5.20, Eric Rogers averages 6.20. Apart that suggests 5.70; together they average 5.42, a lift of −0.28.

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