 Dudgeon made his first screen appearance in 1987.The following year he appeared as a Second World War pilot in "Piece of Cake", alongside Tim Woodward, Jeremy Northam and Nathaniel Parker.As well as occasional appearances in series such as "Casualty", "London's Burning" and "Lovejoy", he appeared in 1994 as Detective Constable Costello, a one-episode subordinate to Detective Inspector William Edward "Jack" Frost (played by David Jason), in the TV series "A Touch of Frost", in 1998-99 as George the Chauffeur in "The Mrs Bradley Mysteries" (alongside Dame Diana Rigg), in "Inspector Morse" (episode "The Way Through The Woods"), "Between The Lines", "Common As Muck" (in 1994 & 1997), "Out of the Blue", "Sherlock Holmes and the Case of the Silk Stocking", "The Street" and four series of "Messiah" with Ken Stott.