[5] In 2006, Buckley made his acting debut as a series regular on the MyNetworkTV primetime telenovela Fashion House, playing the role of Michael Bauer.

[7] The following year, Buckley signed on to play surf instructor Kyle Hamilton in the Lifetime film Flirting with Forty, alongside Heather Locklear.

[8] He then co-starred as Nik in the horror comedy Killer Movie, alongside Kaley Cuoco, Leighton Meester, and Paul Wesley, which premiered at the Tribeca Film Festival in April 2008.

[12] In February 2010, Buckley was reported to be in the running for the title role in Marvel's Captain America: The First Avenger, but the part ultimately went to Chris Evans.

[13] From 2012 to 2013, Buckley starred in the short-lived horror drama series 666 Park Avenue, portraying struggling playwright Brian Leonard who moves into a haunted building with his wife.