Give some stream of consciousness and then the answer. William December "Billy Dee" Williams Jr. (born April 6, 1937) is an American actor, artist, singer, and writer. He is best known for his role as Lando Calrissian in the Star Wars film franchise. Williams has also appeared in critically acclaimed films like Brian's Song, Lady Sings the Blues, Mahogany, Nighthawks, and Batman; in which he played Harvey Dent.

Answer this question: who is the actor that played lando calrissian?
To answer the above question, the relevant sentence is: He is best known for his role as Lando Calrissian in the Star Wars film franchise.
Therefore, the answer is William December '' Billy Dee '' Williams Jr..