John Blyth Barrymore III is an American film and television actor. He is known for his role as Zeke in the 1970s television series Kung Fu, which was his first role on television.

Kung Fu is an American action-adventure martial arts Western drama television series starring David Carradine. The series follows the adventures of Kwai Chang Caine, a Shaolin monk who travels through the American Old West, armed only with his spiritual training and his skill in martial arts, as he seeks Danny Caine, his half-brother.