How many movies have Jennie Lee and Spottiswoode Aitken acted in together?

They have worked on 7 movies together! Their first movie together was The Birth of a Nation (1915) while their highest rated movie together was Intolerance: Love's Struggle Throughout the Ages (1916). They are most known for their drama films together.

Role
Woman at Jenkins Employees Dance (uncredited)
Role
Brown Eyes' Father (French Story)