Lena Headey cast as Jocelyn Fray in ‘City of Bones’

Just when you thought Godfrey Gao’s casting as Magnus Bane would be the highlight of your day.

Cassandra Clare announced that Lena Headey of Game of Thrones fame has been cast as Clary’s mother Jocelyn Fray.

Here’s what Cassie had to say:

Jocelyn is a really fun character to write. She’s overprotective (but for a reason) and often really unyielding and unsympathetic, but she’s also a heroine who saved the world from Valentine, endured a lot of loss, and can execute some pretty badass moves. Moral ambiguity is always fun to play and who does it better than

the gorgeous and talented Lena Headey. You probably know her best as Cersei from Game of Thrones.

I have had an actress crush on Lena for years so when they told me she was cast I did a happy dance and hit Sarah Rees Brennan on the head with a spoon. Actually I would have done that last bit anyway. Lena is amazing and I think she will be amazing as Jocelyn. I am super psyched.

Godfrey joins the cast of Lily Collins (Clary), Jamie Campbell Bower (Jace), Robert Sheehan (Simon), Jemima West (Isabelle), Kevin Durand (Pangborn), Robert Maillet (Blackwell) and the newly announced Godfrey Gao (Magnus).

Filming on The Mortal Instruments: City of Bones begins filming on August 15 in Toronto and the film is slated for an August 23, 2013 theatrical release.

What do you think of Lena as Jocelyn? Sound off in the comments!