Aaron Hill

Although he first became widely known for playing an immature frat boy nicknamed "Beaver" on the teen-oriented comedy "Greek" (ABC Family 2007-2011), Aaron Hill had a prolific and varied television career. The California native also appeared on some of the most critically celebrated television dramas of the 2000s, including "Breaking Bad" (AMC 2008-12) and "Mad Men" (AMC 2007-15), as well as the procedural crime hit "CSI" (CBS 2000-15), allowing him to showcase both his versatility and range with more serious fare.