Andrew Katsulas[needs IPA] (May 18, 1946 – February 13, 2006), known professionally as Andreas Katsulas, was an American film and television actor, most recognized for portrayals of Narn Ambassador G'Kar on the American science fiction television series Babylon 5 and Romulan Commander Tomalak on Star Trek: The Next Generation.

Born in St. Louis, Missouri in 1946, to a working-class Greek American family,[2] Katsulas earned a master's degree in theatre from Indiana University Bloomington.

From 1971 to 1986, he toured with Peter Brook's International Theatre Company, performing improvisational and prepared theater pieces.

[4] Katsulas appeared in various films, including The Sicilian, Next of Kin, Someone to Watch Over Me, Sunset, Hot Shots!

[3] He was survived by his wife, Gilla Nissan Katsulas, and his two children from a previous marriage, Michael and Katherine.