Roger Michell and Andrew Havill made 4 films together, and the 3 rated ones average 5.97, 0.46 below their career marks. The best is The Duke at 6.9.

Roger Michell averages 6.34, Andrew Havill averages 6.52. Apart that suggests 6.43; together they average 5.97, a lift of −0.46.

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