Richard McGonagle
Richard McGonagle  is the actor who portrayed Ja'Dar in the  fifth season episode . McGonagle filmed his scenes on Thursday  on Paramount Stage 8 and 9. His costume from "New Ground" was sold off on the It's A Wrap! sale and auction on eBay. 

Later, McGonagle appeared as Commander Pete Harkins in the  sixth and seventh season episodes  and . 

McGonagle appeared in the television movie Justin Case with fellow Star Trek actor Jennifer Edwards. Other television appearances include Quantum Leap with Scott Bakula and Dean Stockwell. He also lent his voice to the film Spirit: Stallion of the Cimarron, along with James Cromwell, Adam Paul, Matt E. Levin and Charles Napier, and also held an uncredited role in the 1987 pilot episode of 21 Jump Street as Mr. Weckerle. His film work includes the comedy 14 Going on 30 (1988, with Daphne Ashbrook and Judith Jones and the comedy Senseless (1998, with Jenette Goldstein, Brad Dourif, Greg Grunberg, Alexander Enberg, Manu Intiraymi, Ivar Brogger, Cyia Batten, Jack Shearer, Len Costanza, John Wilkie, Janet Dey, Bruce Dobos, Andray Johnson, and Rubin Knight), as well as Rules of Engagement (2000, with Bruce Greenwood)

He was more recently seen in the fourth season finale of Boston Legal, the ABC drama series starring William Shatner and John Larroquette. McGonagle's episode, entitled "Patriot Acts," also guest-starred Jude Ciccolella and Henry Gibson. He was also the narrator for the 2009 movie (500) Days of Summer and provided the voice of Victor Sullivan in the games Uncharted: Drake's Fortune, Uncharted 2: Among Thieves, and Uncharted 3: Drake's Deception, opposite Nolan North.

External links 
  – official site
 
 
 

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Performers
TNG performers
VOY performers