Michelle May Romney Marsham Antonia Gomez (born 23 November 1966) is a Scottish actress. She gained recognition for her roles in the comedy series The Book Group (2002–2003), Green Wing (2004–2007), and Bad Education (2012–2013). She went on to appear as Missy in the long-running British science fiction series Doctor Who (2014–2017), for which she was nominated for the BAFTA TV Award for Best Supporting Actress.