Game of Thrones has cast an important character for season 3: Catelyn Tully’s uncle, the Blackfish, will be played by actor Clive Russell.

The news was broken by Russell’s talent agency, which wrote:

The third series of HBO’s “Game Of Thrones”, featuring series regular John Bradley as ‘Samwell’, will start filming in the new few weeks. The cast will be joined by Clive Russell who has been cast as ‘Blackfish Tully’.

In the novels, Catelyn thinks very highly of her uncle, who is known for his skills as a warrior.

Clive Russell is best known for playing Captain Tanner in Sherlock Holmes: A Game of Shadows, and has also appeared in several British series including Coronation Street and Cracker.

Thanks to our friends at Game of Owns for intercepting this news!