Kate Walsh Kate Walsh

Kate Walsh should start brushing up on her Minnesota accent. The Private Practice and Grey's Anatomy alum has joined the cast of FX'supcoming limited series FargoTVLine reports.

She'll play the character of Gina, a trophy wife and the mother of twin boys, according to TVLine. The 10-episode series will be executive-produced by Joel and Ethan Coen and is inspired by their 1996 film of the same name. It will feature a new plot and new characters, however.

Which new fall shows are your favorites? Vote in our popularity contest!

Joey King and Josh Close have also signed on for the series, according to Deadline. King will play Greta, the daughter of Colin Hanks' character,Police Deputy Gus Grimly. Close will play Ron, the brother of Martin Freeman's character Lester Nygaard, according to TVLine.

Billy Bob Thornton and Oliver Platt have also been cast in the series.