Career
Over his career, he has worked as a cinematographer, camera operator, director, second unit director, and assistant director Early years Semler was born in Renmark, South Australia. His first work in the production industry was as a camera operator at a local television station.
Later, he began making documentary and educational films for Film Australia.
He was the cinematographer for A Steam Train Passes (1974), Moving On (1974), Let the Balloon Go (1976), and A Good Thing Going (1978). His first film was Stepping Out, in 1980.
Allmovie praised his "stunning work" on the film Hoodwink (1981) with a screen play by Ken Quinnell. 1980s 1990s 2000s.