(written from a Production point of view)
Larry Tolliver is an actor who appeared in several episodes of Star Trek: Enterprise. He portrayed a Vulcan monk in the first season episode "The Andorian Incident" and in an unknown episode an Enterprise crewman. The costume from the latter appearance was sold off on the It's A Wrap! sale and auction on eBay and was also worn by actor Brian Bennett.  His Vulcan monk costume was also sold off on eBay.