plot lines revolve around the students' attempts to meet his demanding expectations. Another hospital official with whom the students have contact is the Dean (Ralph Michael), who is more interested in the hospital's Rugby union team than he is in medicine. Other characters in the early episodes, some of whom later reappeared for single episodes in subsequent series, include: Danny Hooley (Jonathan Lynn), an Irish medical student who is a friend of Waring, Collier, Upton and Stuart-Clark. He later returns as an 'out-of-work doctor' in the Doctor in Charge episode "Should Auld Acquaintance be Forgot?" Huw Evans (Martin Shaw), a Welsh medical student, another friend of the four students. He reappears as a very nervous expectant father in the episode "Mother and Father Doing Well". Dave Briddock (Simon Cuff), another friend of the students. He spends part of the series living with Helga, his Swedish girlfriend. Guest stars Notable guest stars throughout the run of the series and its sequels included: Hattie Jacques, Mollie Sugden, Roy Kinnear, Maureen Lipman, Patricia Routledge, Graeme Garden, David Jason, John Le Mesurier, Arthur Lowe, Angela Scoular, Tessa Wyatt and John Bluthal. Series Doctor in the House — (1969–1970) — London Weekend Television (LWT) First series (13 episodes) broadcast from 12 July to 4 October 1969 Second series (13 episodes) broadcast from 10 April to 3 July 1970 Doctor at Large — (1971) — LWT Third series (29 episodes) broadcast from 28 February to 12 September 1971 Doctor in Charge — (1972–1973) — LWT Fourth series (27 episodes) broadcast from 9 April to 8 October 1972 Fifth series (16 episodes) broadcast from 15 September to 29 December 1973 Doctor at Sea — (1974) — LWT Sixth series (13 episodes) broadcast from 21 April to 14 July 1974 Doctor on the Go — (1975–1977) — LWT Seventh series (13 episodes) broadcast from 27 April to 20 July 1975 Eighth series (13 episodes) broadcast from 16 January to 10 April 1977 Doctor Down Under — (1979) — Seven Network (Australia) Ninth series (13 episodes) broadcast from 12 February 1979 to 10 May 1979 Doctor at the Top — (1991) — BBC Tenth series (7 episodes) broadcast from 21 February to 4 April 1991 Writers Unusually for a British situation comedy series Doctor in the House did not depend on a single writer or partnership to write the scripts. The writers who worked on the series are often