Dexter season 7 spoilers – Ray Stevenson cast as Russian crime lord Issac
Ray Stevenson has become the latest star to join the cast of Dexter.
The Irish actor will take on the role of Isaac, a top member of a Russian crime gang, when the serial killer drama returns to TV screens later this year. It has been reported that Issac will travel to Miami, to seek revenge against the person that murdered one of his associates.

