Season 4 of Ray Donovan is bringing in a bunch of new cast members, who are sure to make things interesting.

First off, the latest cast announcement was the addition of Game of Thrones actor Richard Brake.

According to a Deadline report, Brake is set to play a recurring role in the Showtime series. He will be playing the part of Vlad, "a dangerous and intimidating man who works for some very powerful people."

Previously, it was revealed that actor Dominque Columbus will be joining the cast. Deadline revealed that Columbus will be playing the part of "Damon, described as a street-smart, homeless teen who packs a mean punch and becomes involved with the Donovan family."

This development came at the heels of another casting announcement for the show, TVLine revealed that Lisa Bonet -- best known for her work on The Cosby Show -- will play the part of Marisol, "an unstable woman with a damaging secret."

These two join a bunch of other new cast members for the show of late.

Previously, Deadline reported that Ted Levine and Ismael Cruz Cordova are set to come on board season 4 of Ray Donovan.

The report reveals that Levine will play "Little Bill Primm, the proud owner of a casino in Primm, NV" and Cordova will portray "Hector, a middleweight boxing champion who forms a bond with Ray."

Prior to that, Variety also reported that Revenge alum Gabriel Mann is joining the cast of season 4 of Ray Donovan.

According to the report Mann will appear in three episodes of the season. He is set to play Jacob Waller, "an aggressive attorney who represents high-profile clients."

Season 4 of Ray Donovan will feature 12 one hour episodes and is expected to begin production in 2016.

Watch the preview for the finale of season 3: