Grey's Anatomy and Private Practice star Kate Walsh has joined the cast of a planned Tv adaptation of cult Coen Brothers movie Fargo.

The actress will take on the role of trophy wife Gina in the 10-episode series, which Joel and Ethan Coen will executive produce.

The character did not feature in the 1996 film.

Walsh joins Colin Hanks, Martin Freeman, Billy Bob Thornton and Oliver Platt in the revamp.