Son of George Negus and Kristy Cockburn, he is no stranger to the camera. He father George is a renowned world journalist whose most famous work include 60 Minutes and Foreign Correspondent; and his mum is a renowned photographer and artist. He has an older brother, Ned.When Serge's parents read in the newspaper that a local production company (Bangalow Productions), was looking for a boy to play Mick Dundee's son in Crocodile Dundee in L.A., they made a short home video of Serge talking to his Grandpa about his pet blue-tounged lizard, Huffy. Casting director Maura Fay was "knocked out by his performance", said director Simon Wincer.Serge plays soccer and loves reptiles. He has 5 snakes, 1 gecko, 1 pink tongued skink, 1 blue tongue lizard and a dog!