Niamh Cusack (born 20 October 1959 in Dalkey, Ireland) is an Irish actress.
Born into a family with a long history in performing arts, Cusack has been acting from a young age, and has been involved with both the Royal Shakespeare Theatre and the Royal National Theatre since the mid-1980s. Outside of her theatrical work, she is best known for her role as Dr. Kate Rowan in Heartbeat and as Beatrix Potter in the live-action segments in The World of Peter Rabbit and Friends.
Film roles:
- Fools Of Fortune (1990) as Josephine
- The Playboys (1992) as Brigid Maguire
- Five Minutes Of Heaven (2007) as Alistair's Mum
- The Kid (2010) as Nurse
- Hereafter (2010) as Marcus' Foster Mother
- In Love With Alma Cogan (2011) as Sandra
- The Best Of Men (2012) as Sister Edwards
- Testament of Youth (2014) as Sister Jones
- The Ghoul (2016) as Fisher
- Unwelcome (2023) as Niamh
Television roles:
- Poirot (1989) as Valerie Saintclair
- Jeeves and Wooster (1991) as Roberta Wickham
- Heartbeat (1991 - 1995) as Dr. Kate Rowan
- The World of Peter Rabbit and Friends (1992) as Beatrix Potter
- Always And Everyone (1999) as Christine Fletcher
- Marple (2005) as Emma Crackenthorpe
- The Last Detective (2005) as Gill
- Fallen Angel (2007) as Vanessa Byfield
- Midsomer Murders (2008) as Penny Galsworthy
- A Touch of Frost (2010) as Sally Berland
- Lewis (2010) as Dr. Ellen Jacoby
- Henry IV, Part 2 (2012) as Lady Northumberland
- The Curious Incident of the Dog in the Night-time (2012) as Siobhan
- New Tricks (2014) as Joanne Gibson
- Rebellion (2016) as Nelly Cosgrave
- Silent Witness (2016) as Sylvie Blake
- Macbeth (2018) as Lady Macbeth
- The Virtues (2019) as Janine
- Father Brown (2020) as Roisin Crayford
- Death in Paradise (2021) as Maggie O'Connell
- Brassic (2021) as Clodagh
- The Tower (2023) as Claire Mills
