Derek Magyar (born 18 July) is an Hungarian-born American actor. He is best known as the director and producer of the film "Flying Lessons", as the lead character "X" in the film "Boy Culture", and as Commander Kelby during the fourth season of Star Trek Enterprise  He graduated from the California Institute of the Arts in 2003 and has appeared in several TV shows and movies. In 2005 he was cast in the role of Commander Kelby, the newly-promoted Chief engineer of the starship Enterprise in the T ...