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.

Trick or Treats is a 1982 American slasher dark comedy film written, shot, edited, and directed by Gary Graver, and starring Jackelyn Giroux, Peter Jason, Chris Graver, David Carradine, Carrie Snodgress, and Steve Railsback. Its plot focuses on an escaped psychiatric patient who attempts to track his young son on Halloween night.