Gunnar Cauthery began acting as a child, playing Lloyd Hunter in cult BBC Childrens' Drama The Demon Headmaster, as well as appearing on Just William (also on the BBC), and ITV's Disney Club.
He graduated from Bristol University, where he studied Drama, in 2003. Since then Gunnar has appeared in Western with Mahwaff Theatre Company (C Venues 2003, New Wimbledon Theatre and Prague Fringe 2004). Stage roles include Hamlet, Feste, Guiteau in Assassins and The Baker in Into The Woods. He first appeared in NewsRevue in November 2000.