Annie Wersching is an American actress best known for her portrayal as Renee Walker of 24 from 2009 to 2010. She was a last-minute casting decision and had only four days of gun training prior to shooting her first few episodes of Season 7. Wersching appeared in 37 episodes of 24 and her performance as Renee Walker was met with widespread critical acclaim from critics and fans alike. She managed to perform some of her own stunts in her first season. Before being casted as Renee Walker, she auditioned for the role of Nadia Yassir, but lost the role to Marisol Nichols.