Michael Ripper and Duncan Lamont made 5 films together, and the 2 rated ones average 5.85, 0.55 below their career marks. The best is The Creeping Flesh at 5.9.

Michael Ripper averages 6.28, Duncan Lamont averages 6.52. Apart that suggests 6.40; together they average 5.85, a lift of −0.55.

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