Harrup in the sitcom Me and My Girl, broadcast from 1984 to 1988, co-starring Tim Brooke-Taylor and Joan Sanderson, also produced by LWT. He also appeared in a one-off comedy-drama The Giftie, shown on Channel Four in 1988, in which he and a friend discovered a photocopier at work that could duplicate living copies of themselves, unwisely doing so, and predictably leading to mistaken identities and chaos. In the 1990s, his profile decreased although he was never short of work. His final acting role was in a 1996 one-off satire titled Holed, with Tony Robinson, about a suburban golf club. Later life O'Sullivan largely retired from public life in 1996. His last appearance on television was as a guest on a 1999 edition of This Is Your Life held in honour of his Doctor... co-star George Layton. O'Sullivan had himself been the subject of the show in 1974. In 2006, O'Sullivan recorded a commentary for the DVD release of Carry On Teacher. He has lived in Brinsworth House, a retirement home for entertainers in Twickenham, since suffering a stroke in 2003. Television roles Filmography The Yellow Balloon (1953) – Boy Singing at Sunday School (uncredited) The Stranger's Hand (1954) – Roger Court Dance Little Lady (1954) – Peter The Green Scarf (1954) – Child Jacques Make Me an Offer (1954) – Charlie as a Boy Loves of Three Queens (1954) – Benoni (segment "I Cavalieri dell'illusione") I cavalieri dell'illusione (1954) The Dark Avenger (1955) – Thomas Holland The Secret (1955) – John Martin Raiders of the River (1956) – Joey Jacqueline (1956) – Michael It's Great to Be Young (1956) – Lawson No Time for Tears (1957) – William Reynolds Dangerous Exile (1957) – Louis XVII / Richard de Beauvais The Nun's Story (1959) – Pierre (brother of Gabrielle) (uncredited) Carry On Teacher (1959) – Robin Stevens – Saboteur Witness in the Dark (1959) – Don Theobald And Women Shall Weep (1960) – Godfrey Lumsden A Story of David (1961) – Abiathar Spare the Rod (1961) – Fred Harkness The Young Ones (1961) – Ernest The Prince and The Pauper (1962, Disney) – Hugo The Webster Boy (1962) – Jimmy Webster Cleopatra (1963) – Pharaoh Ptolemy XIII Dr. Syn, Alias the Scarecrow (1963) – George Ransley Wonderful Life (US title: Swingers' Paradise 1964) – Edward Every Day's a Holiday (1965) – Jimmy Dainty A Dandy in Aspic (1968) – Nevil