Tessa Peake-Jones (born 9 May 1957) is an English actress who has appeared in The Danedyke Mystery (1979), Pride and Prejudice (1980), When We Are Married (1987), Up the Garden Path (1990–1993), So Haunt Me (1992–1994), The Demon Headmaster (1996–1998), The History of Tom Jones: a Foundling (1997), Summer in the Suburbs (2000), Poppy Shakespeare (2008), Doctors (2009–2011) and Unforgotten (2015).
Her other television appearances include Bergerac, The Demon Headmaster,[5] Midsomer Murders, Casualty,[5] Holby City, The Bill,[5] Up the Garden Path and So Haunt Me.
She also played the role of the bookish sister Mary Bennet in the BBC serial adaptation of Pride and Prejudice (1980).
[5] In March 2008, she appeared as a member of staff in the Channel 4 psychiatric hospital drama Poppy Shakespeare.
Since 2014, Peake-Jones has appeared in Grantchester as Sylvia Maguire, the vicar's religious and cantankerous housekeeper.