British actor best known for his role as Vislor Turlough on the long-running series Doctor Who. He later became a producer of wildlife documentary shows for networks like Animal Planet and the Discovery Channel.
He was a Zoology student at the University of New England in Australia.
He is credited with bringing Steve Irwin to the attention of the TV-watching public.
He married Delny Britton. He was previously married to Julie Brennon.
He co-starred with Peter Davison during his years on Doctor Who.