Acting Keith Harkin Acting Celtic Thunder: Legacy Volume 1 2016 Celtic Thunder: Legacy Volume 2 2016 Celtic Thunder: Mythology 2013 Celtic Thunder: Voyage Himself 2012 Celtic Thunder: Voyage II 2012 Celtic Thunder: Heritage Himself 2011 Celtic Thunder: Storm Himself 2011 Celtic Thunder: It's Entertainment! Himself 2010 Celtic Thunder: Christmas Himself 2010 Celtic Thunder: Take Me Home Himself 2009 Celtic Thunder: The Show Himself 2008 Agent-readable