Vyto Ruginis
Vyto Ruginis  is the actor who portrayed the role of chief engineer Lieutenant  in the  first season episode .

Filmography 
 Broken Arrow (1996, with Christian Slater, Bob Gunton, Casey Biggs, Kurtwood Smith, James G. MacDonald, and Raymond Cruz)
 Devil's Advocate (1997, with Nikita Ager, James Saito and Mark Deakins).
 He played the villain in the first episode of TV show Angel, along with Tracy Middendorf.
 He has appeared four times, as four different characters, on Law & Order, playing the killer of the detective Paul Sorvino's Phil Cerretta would replace in his first appearance, and Steven R. Schirripa's attorney in the third.
 He plays Arkady Kolcheck in NCIS: Los Angeles.

External links 
 
 
 

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Performers
TNG performers