Who wants a little bit more Zac Efron in your life? The answer: Everyone. Zac stars as the doctor who tries to save President John F. Kennedy after he was shot in the soon-to-be-released film, Parkland, along with Paul Giamatti, Ron Livingston, Billy Bob Thornton and more. Get your exclusive first look of Zac (in scrubs) and his co-stars below, and be sure to see the film when it debuts October 4, 2013.