Cliff Curtis is a New Zealand born actor. He was born July 27, 1968. He has had prominent roles in films like The Piano, Once Were Warriors, Three Kings, Blow, Training Day, Whale Rider, Fracture and The Last Airbender. He made two appearances as Centaurs in the Xenaverse. First, he played Nessus in Hercules in the Underworld. Then, he played Nessus' brother Nemis in HTLJ "As Darkness Falls."