John David Cullum (born March 1, 1966) is an American actor who made his film debut in the CBS Afternoon Playhouse Special Revenge of the Nerd in 1983, playing a jock.
Cullum was born in New York City, the son of John Cullum, a noted Broadway actor, and Emily Frankel, a novelist, playwright, choreographer, and dancer. He grew up in Manhattan and currently resides in Los Angeles where he is a longstanding member of the Antaeus Theater Company.