CAA has signed Australian actor Callan McAuliffe, who stars as the young Jay Gatsby in the Baz Luhrmann-directed The Great Gatsby out on May 10, 2013. Leonardo DiCaprio portrays the adult Gatsby in the 3D adaptation of F. Scott Fitzgerald’s 1925 novel. McAuliffe stared in 2011’s sci-fi thriller I Am Number Four and in Rob Reiner’s romcom Flipped in 2010. He appears with Anthony LaPaglia and Rachel Griffiths in Robert Connolly’s Underground, which played at this year’s Toronto Film Festival. McAuliffe will continue to be repped by Alchemy Entertainment, RGM Artist Group in Australia and attorney Patti Felker.