"Cowboys & Aliens" star Abigail Spencer has filed for divorce six months after separating from her husband Andrew Pruett.

Spencer is citing irreconcilable differences for the split.

She wed Pruett in 2004. The couple has a three-year-old son.

Mad Men actress Abigail Spencer has been cast in Disney's Oz: The Great and Powerful, the prequel to the legendary film The Wizard of Oz, directed by Sam Raimi.

Spencer is joining a cast that includes Mila Kunis, Rachel Weisz, Michelle Williams, Joey King, Zach Braff and James Franco.

Abigail Spencer, best known for her recurring role on the hit AMC series Mad Men, has joined the cast of Disney's Oz: The Great and Powerful, a prequel to the film classic The Wizard of Oz.

The Hollywood Reporter stated that Spencer will be joining a stellar cast that includes some of the hottest stars in f...