She will be joining Daniel Craig, Harrison Ford, Olivia Wilde, Sam Rockwell, Noah Ringer, Paul Dano, Keith Carradine, Clancy Brown, Ana de la Reguera and Adam Beach in the adaptation of the Platinum Studios graphic novel.
Spencer is set to play a prostitute named Alice, a former lover of Craig’s character who makes him change his ways.
The DreamWorks project is currently shooting outside Sante Fe, New Mexico and will be released on July 29, 2011 by Universal Pictures.
Steven Spielberg, Ron Howard and Brian Grazer are producing with Platinum’s Scott Mitchell Rosenberg.
In the meantime, check out the promo for Mad Men‘s fourth season below: