Mr. Hwang is best known for his plays "M. Butterfly" and "Golden Child." Like those works, "Kung Fu" is concerned with questions of Asian American identity and prejudice. As a young actor in Hollywood, Bruce Lee found himself offered only small, racially predictable parts. Hwang represents these experiences in a scene where Lee talks to a television producer. The producer wants him to play Kato in the superhero series "The Green Hornet.