Career
He moved on to direct episodes of Australian soaps Neighbours, Home and Away, and H2O: Just Add Water. Walker"s first acting cr was a small role in The Flying Doctors in 1989. In 1992, he took over the role of Bronson Twist in the television series Round the Twist, based on the books by Paul Jennings.
In 1994 he received a leading role in Ocean Girl as "Brett Bates".
He had another major role as the brother Royce on Mirror, Mirror. Walker also plays guitar in Sydney band Ballet Imperial.
Walker appeared in the video clip of the John Butler Trio"s song titled "Something"s Gotta Give". Walker met future wife Brooke Harmon while they worked together on The Wayne Manifesto.