Haydn Gwynne (March 21, 1957 - October 20, 2023) was an English actress. She was nominated for the 1992 BAFTA TV Award for Best Light Entertainment Performance for the comedy series Drop the Dead Donkey (1990-1991), and won the 2009 Drama Desk Award for Outstanding Featured Actress in a Musical for her role in the Broadway production of Billy Elliot the Musical. She was also a four-time Olivier Award nominee. Her other television roles included Peak Practice (1999-2000), Merseybeat (2001-2002), and playing Camilla in The Windsors (2016-2023).