Isaak Sirko (also known as Volk, Russian for "The Wolf"; Ukrainian: Ісаак Сірко, Isaak Sirko) is a character in Season Seven of the Showtime series DEXTER.
Isaak was one of the leaders in the Koshka Brotherhood, which based their operation in Kiev, Ukraine, where Isaak lived. He was the owner of a chain of strip clubs, primarily in Florida, U.S
He is the main antagonist of Season Seven and the seventh main antagonist in the series. He is the second antagonist to be from a foreign country (the first one being Lila West).
Isaak is the third Major Antagonist to have been killed by someone other than Dexter Morgan (the first two being James Doakes and Jordan Chase, and the fourth being Maria LaGuerta).
Isaak Sirko has been suggested to play 4 roles. Click below to see other actors suggested for each role, and vote for who you think would play the role best.
