In addition to his regular series role as Alden on The Walking Dead, Callan McAuliffe can be seen in the feature film Summer Night, opposite Justin Chatwin, Analeigh Tipton, and Victoria Justice, for writer/director, Joseph Cross. McAuliffe was discovered by director Rob Reiner, who hand-picked him to play the romantic lead in the Warner Bros. feature film Flipped. This was followed by roles in DreamWorks’ sci-fi adventure I Am Number Four and Warner Bros.’ The Great Gatsby, as the teenage Jay Gatsby to Leonardo DiCaprio's adult role. McAuliffe went on to work in the crime-drama film Kite, with Samuel L. Jackson; appeared in Underground: The Julian Assange Story; and starred in the U.K. feature Robot Overlords, with Sir Ben Kingsley. More recently he appeared in The Stanford Prison Experiment for director Kyle Patrick Alvarez, as part of an ensemble including Ezra Miller, Billy Crudup, and Thomas Mann. McAuliffe’s many accolades include recognition as Break Out actor by The Toronto International Film Festival for his lead role in the coming-of-age film Beneath the Harvest Sky, where he starred alongside Emory Cohen; and winning the Young Artist Award for his role as the aforementioned young Gatsby. Additionally, McAuliffe is among the youngest winners of GQ Magazine’s Man of The Year Award for Breakthrough of the Year, presented to him for his work in the performing arts in 2012-2013. Outside of his theatrical career, McAuliffe has also volunteered his time to a list of meaningful charities. Always interested in staying true to his Australian roots, McAuliffe became the youngest Ambassador for Tourism Australia for the Friends of Australia Campaign. The Friends of Australia Campaign include some of the most globally influential voices that have a genuine affinity with Australia. McAuliffe also holds a highly regarded position as a UNICEF Ambassador. Besides his film career and philanthropic efforts, McAuliffe has also added the title of Author to his resume. His first fictional book, The Hill Ghost, is a story that recounts the adventures between two unlikely friends, an old Tibetan Mastiff dog and a delusional seagull.