(written from a Production point of view)
John Kepley is an actor who appeared as a Vulcan monk in the Star Trek: Enterprise episode "The Andorian Incident". He received no credit for this part and was identified by the call sheets of the shooting days. Kepley also appeared in at least one episode of Star Trek: Voyager. The costume he wore in this episode was previously worn by actor Arlee Reed in the Star Trek: The Next Generation episode "Starship Mine" and was sold off on the It's A Wrap! sale and auction on eBay. 
Kepley had featured parts in the comedy Can't Be Heaven (2000, with Matt McCoy and Rachel Robinson), the thriller Vanilla Sky (2001, with Ray Proscia, Mark Bramhall, and Andrei Sterling), the comedy In Good Company (2004, with John Cho, Gregory Hinton, and Malcolm McDowell), and the George Clooney's drama Good Night, and Good Luck. (2005, with Glenn Morshower, Robert Knepper, Ray Wise, Frank Langella, J.D. Cullum, and Joyce Lasley).