(written from a Production point of view)
Estel Eugene Walker (born December 1967) is an actor who appeared as a Nyrian invader in the Star Trek: Voyager third season episode "Displaced". He received no credit for this appearance but is listed on the call sheets.
Walker also appeared in the comedy Far from Bismarck (1999, stunt coordination by Ron Sarchian) and in the sports comedy Tennis, Anyone...? (2005, with Kenneth Mitchell and Jason Isaacs) and worked as associate producer on the horror comedy Ghost Game (2004).