 As a child he appeared with his younger brother Patrick on the Christmas 1967 edition of "Crackerjack".Treves has acted in over one hundred radio productions for the BBC since his debut as Joseph Conrad's "Lord Jim" in 1985, and was a member of the Radio Drama Company from 1989 to 1991 and again in 2007–2008.Much of his work has been with award-winning radio producer Dirk Maggs, including "Independence Day UK", "The Amazing Spider-Man", "The Adventures of Superman", "The Gemini Apes" and more recently, "Boscobel" and "The Adventures of Sexton Blake".