A former pupil at
Trinity School in Croydon, and a student at the
University of Hull and
Bristol Old Vic Theatre School, Sinclair has performed with theatre companies such as the
Royal National Theatre and
Royal Shakespeare Company. He has performed widely, both in Britain and internationally, in roles that have included
Shakespeare (
Hamlet,
Malvolio),
Oscar Wilde,
George Bernard Shaw,
Ibsen and
Noël Coward. Sinclair appeared in the play
Little Lies, starring Sir John Mills, at
Wyndham's Theatre, London, England, which ran from July 1983 through February 1984, written by Joseph George Caruso and produced by Robert Mackintosh and William de Silva, and was directed by Tony Tanner. The play also starred Connie Booth, Anthony Bate, Dominic Guard, Paul Hardwick, Angela Scoular, Katherine Kath, Alison Neil and Gregory Cox. After the London production, the play transferred to the Royal Alexandra Theatre, Toronto, Canada, for a limited engagement of six weeks. This production was directed by Michael Attenborough. In 2001 Sinclair won the
Clarence Derwent Award for his role as Gavin Ryng-Maine in the
Royal National Theatre's production of
House/Garden. He was also nominated for an
Olivier Award as best supporting actor for his performance as Major Miles Flack in
Privates on Parade. Recently he has performed in a number of
BBC Radio 4 dramatisations of the Agatha Raisin book series alongside
Penelope Keith. Penelope Keith stars as Agatha, while Malcolm Sinclair portrays her neighbour James Lacey, who is also an object of Agatha's affection. ==Equity==