VIDEO : 'Walking Dead' Star Joins Independent Movie Thriller

'Walking Dead' star Steven Yeun has officially joined the independent action thriller Mayhem. The script for the movie tells of a virus capable of making people act out their wildest impulses that infects a corporate law office on the very day attorney Derek Saunders, who is played by Yeun, is framed by a co-worker and wrongfully fired. The movie will be a major move for Yuen, who since breaking out on Walking Dead, has largely stuck to making a handful appearances on the small-screen as well as voicework.