Trent Sullivan, Australian actor who played Elliot Gilbert on the Nickelodeon UK series, H2O: Just Add Water, and also starred in the film The Condemned. He appeared in his first film, Me Myself I (film), when he was just four years old. His television credits include The Sleepover Club and Sea Patrol. He was born in Sydney, Australia, and he grew up with a younger sister and an older brother. He appeared with wrestler Stone Cold Steve Austin in the 2007 action film, The Condemned. ^[1]