Real world article
(written from a production point of view)
Scott Allen Rinker (born 15 November 1971; age 53) is the actor who played Gareb in the Star Trek: Enterprise fourth season episodes "United" and "The Aenar" taking over the role from recurring background actor Glen Hambly.
Outside of Star Trek, his previous television appearances included Special Unit 2, Boston Public (with Jeri Ryan), and Buffy the Vampire Slayer (1999, with Anthony Stewart Head)
He later appeared in Shoot or Be Shot (2002, starring William Shatner, with Tim Thomerson and Julianne Christie).