Tom Gerhardt and Detlev Redinger made 2 films together, and the 1 rated one averages 4.50, 0.28 below their career marks. The best is Siegfried at 4.5.

Tom Gerhardt averages 5.05, Detlev Redinger averages 4.50. Apart that suggests 4.78; together they average 4.50, a lift of −0.28.

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