Jacob Abel (born November 18, 1987) is an American actor and singer who is known for playing Adam Milligan in the CW series Supernatural (2009–10), Luke Castellan in the film adaptation of Percy Jackson & the Olympians: The Lightning Thief (2010), and its sequel, Percy Jackson: Sea of Monsters (2013), Mark James in the film adaptation of I Am Number Four (2011), Ian O'Shea in The Host (2013), and Mike Love in Love & Mercy. He later had a recurring guest role on CBS's short lived science fiction series, Threshold. He had numerous guest starring roles including Cold Case and ER. He was honored with a Rising Star award at the 16th Hamptons International Film Festival in October 2008 for his work in the film Flash of Genius. In 2009, Abel shortly appeared in the Peter Jackson film The Lovely Bones based on Alice Sebold's novel. He also had a regular role in the web series Angel of Death which ran for 10 episodes. 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 Percy Jackson & the Olympians: The Lightning Thief playing Luke Castellan which released on February 12, 2010 (later returning in the sequel, Percy Jackson & the Olympians: The Sea of Monsters, which was released on August 7, 2013). Afterward in 2011 Abel starred in the live-action film I Am Number Four playing Mark James. Abel starred on the social thriller film Inside co-starred by Emmy Rossum which release on July 25, 2011. He also recently appeared on ABC's medical drama Grey's Anatomy in the episode "Poker Face", playing Tyler Moser. In 2012, Abel was chosen to play Ian O'Shea in the 2013 film adaptation of The Host, based on Stephenie Meyer's novel of the same name. Abel married Allie Wood, a writer, on November 9, 2013. On March 29, 2013, Abel and Wood released their first CD, Black Magic.

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