He was educated at Latymer Upper School and then Clare College, Cambridge. After a brief spell as Lecturer in Drama at Glasgow University, he began his career as a freelance playwright in 1975 as writer/researcher with the Belgrade Theatre Coventry in Education team.
His subsequent young people's theatre work includes The Magic Cabbage (Unicorn 1978), Monster (York Theatre Royal 1979) and The Witch of Wapping (Half Moon 1980).
In 1982 and 1983 he was Resident Writer with the Bubble Theatre for whom he wrote Glitterballs and The Rogue's Progress.
Other theatre work includes After Shave (Apollo Theatre 1978), R.I.P Maria Callas (Edinburgh Festival / Hen and Chickens 1992), A working woman (from Zola's L'Assommoir) (West Yorkshire Playhouse 1992) and The Standard Bearer (Man in the Moon 2001). He also collaborated with Jeff Clarke on The Burglar's Opera for Opera della Luna (2004) "stolen from an idea by W. S. Gilbert with music nicked from Sir Arthur Sullivan".
His first work for television was Claws, filmed by the BBC in 1987, starring Simon Jones and Brenda Blethyn. Wyatt then went on to write two scripts for the science fiction series Doctor Who — these were Paradise Towers and The Greatest Show in the Galaxy. Both of those serials featured Sylvester McCoy as the Seventh Doctor. His other television credits include scripts for The House of Eliott and Casualty.
He has worked for BBC Radio since 1985 as both an adapter and an original playwright.
- Sketches by Boz (1998–1999)
- The old wives' tale (2003)
- Gilbert without Sullivan (2003–2004)
- Vanity Fair (2004)
- Tom Jones (2007)
- The Talented Mr Ripley (2009)
- The Divine Comedy (2014)
- Fairest Isle (1995,Sony Award Winner)
- Gray's Elegy (2000)
- Party Animal (2003)
- Dr Brighton and Mr Harding (2006)
- Memorials to the Missing (2007)
- Three plays by Pinero - Introduced by Stephen Wyatt (Methuen, 1985)
- Paradise Towers (Target Books, 1988)
- The Greatest Show in the Galaxy (Target Books, 1989)
- Memorials to the Missing (London, 2007)
- R.I.P, Maria Callas and other monologues for stage and radio (London, 2007)
- Gilbert without Sullivan (London, 2007)
- L'Assommoir (London, 2007)
- The Speculator (London, 2009)
His radio drama Gerontius (2010) won the 2011 Tinniswood Award for Best Radio Drama Script.
- Official Website
- Writer's Guild of Great Britain profile
- Stephen Wyatt Interview at Best British TV
- Biography of Stephen Wyatt at On Target
- International Movie Database Entry on Stephen Wyatt
- 'Diversity' radio play listing: Stephen Wyatt
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