Birger Malmsten and Åke Claesson made 2 films together, and the 1 rated one averages 6.20, 0.41 below their career marks. The best is Music in Darkness at 6.2.

Birger Malmsten averages 6.83, Åke Claesson averages 6.40. Apart that suggests 6.62; together they average 6.20, a lift of −0.41.

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