Thomas Kopache (born October 17, 1945 Manchester, New Hampshire, USA) is an American actor.
He is one of few people who have appeared in all of the Star Trek television series, other than the original, and, along with Jeffrey Combs, Vaughn Armstrong, J. G. Hertzler and Randy Oglesby, is one of only five actors to portray as many as seven characters. Kopache played a Romulan in the Star Trek: The Next Generation episode "The Next Phase", a hologram in "Emergence" and a Starfleet officer in Star Trek Generations. On Star Trek: Deep Space Nine he played Kira Taban, the father of Kira Nerys (Nana Visitor), in "Ties of Blood and Water" and "Wrongs Darker Than Death or Night". In 1994, he portrayed Tu'Pari in the Babylon 5 episode "The Parliament of Dreams".
Kopache made a brief appearance in No Country For Old Men as a shoe salesman. Kopache guest starred as Vic Feldspar, Craig Feldspar's lisping, Jack LaLanne-like father in "Living Will", a sixth season episode of Malcolm in the Middle. He briefly appeared as blackjack player Borsalino Cap in "The Contingency", the second season premiere of the TV series Person of Interest.