 In 1948, Lee played his last stage role, that of a devoted slave in "Set My People Free", Dorothy Heyward's drama based on the aborted 1822 slave revolt led by Denmark Vesey.In 1949, he took a supporting role in "Lost Boundaries", a drama based on William Lindsay White's book of the same title, a nonfiction account of Dr. Albert C. Johnston and his family, who passed for white while living in New England in the 1930s and 1940s.Lee's last film appearance was the starring role of minister Stephen Kumalo in "Cry, the Beloved Country" (1951).