 In February 2009, Abel was cast in The CW hit series "Supernatural" playing Adam Milligan, half-brother to series protagonists Dean and Sam Winchester; and appearing in three episodes as both Adam and the Archangel Michael.In 2010, Abel had a role in the film adaptation of "" playing Luke Castellan which released on February 12, 2010 (later returning in the sequel, "", which was released on August 7, 2013).Afterward in 2011 Abel starred in the live-action film "I Am Number Four" playing Mark James.