Jackie Chan and Edison Chen made 3 films together, averaging 5.17, 1.03 below their career marks. The best is The Twins Effect at 5.5.

Jackie Chan averages 6.14, Edison Chen averages 6.26. Apart that suggests 6.20; together they average 5.17, a lift of −1.03.

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