In 1986, Flynn appeared in the LWT television film "London's Burning" as firefighter Kenny "Rambo" Baines. When the film spawned a series of the same name in 1988, he was the only member of the main cast who was unable to reprise his role (aside from Gary McDonald, whose own character, Andreas "Ethnic" Lewis, was killed off in the film) due to previous commitments. Also in 1986, he played a minor role as the soldier "Franny" in "The Monocled Mutineer".In 1988 he played the character Freddie in the ITV drama; "The Fear" which was about the London underworld. He appeared as D.S Eddie Hargreaves for six episodes of the British Academy Television Award (BAFTA) winning police drama, "Between The Lines" between 1992 and 1994.