(written from a Production point of view)
Adam Segen is an actor who played a Mazarite guard in the Star Trek: Enterprise episode "Fallen Hero". He received no credit for his appearance and was identified by the name tag of his costume which was sold off on It's A Wrap! sale and auction on eBay. 
He lent his voice to the video game Twisted Metal: Black (2001), played a minor role in the film High Crimes (2002, starring Ashley Judd and with Adam Scott, Bruce Davison, Jude Ciccolella, John Billingsley, and Dendrie Taylor), and worked as a driver for the transportation department in the film Lost Treasure (2003).