Una Stubbs  (born 1 May 1937) is an English actress and former dancer who has appeared on British television and in the theatre, and less frequently in films. She is particularly known for playing Rita in the sitcom Till Death Us Do Part and Aunt Sally in the children's series Worzel Gummidge . She is also known for her role as Miss Bat in the series The Worst Witch and has most recently appeared as Sherlock Holmes's landlady Mrs Hudson in the Bafta award-winning television series Sherlock .
Stubbs was the " cover girl " of Dairy Box chocolates, produced by Rowntree's, in 1958-59  She referred to herself as the 'Rowntrees Chocolate Girl', when describing a visit she made to the Rowntree's factory in York (where, unknown to her, her grandfather had worked).
She first appeared on television as one of the Dougie Squires Dancers on the British television music show Cool for Cats in 1956. She also worked in cabaret, clubs and revues in London during these years and was one of Lionel Blair's dance ensemble.
Her first major screen role was in Cliff Richard's 1963 film, Summer Holiday . She also appeared in Richard's next film, Wonderful Life (1964). A few years later, she made her breakthrough in television comedy, playing Rita, the married daughter of Alf Garnett in the BBC sitcom Till Death Us Do Part (1966–75). She also appeared in the short-lived sitcom Till Death... (1981), again playing Rita. She played Rita a third time in a few episodes of the BBC sitcom In Sickness and in Health (1985–92). During 1970–71, Stubbs teamed again with Cliff Richard to appear each week on his BBC1 TV Series, It's Cliff Richard! When she did not take part in the next series as it was broadcast shortly after she had had a baby, her TV 'mother', Dandy Nichols from Till Death Us Do Part , took her place.
Stubbs featured in the Fawlty Towers episode " The Anniversary " in 1979. From 1979 to 1981, she played Aunt Sally in the ITV children's series Worzel Gummidge opposite Jon Pertwee and Barbara Windsor and was for several years a team captain in the weekly game show Give Us a Clue in the 1980s, reuniting her with Lionel Blair, the other team captain.
She has appeared in shows such as Midsomer Murders , Heartbeat , Casualty , Keeping Up Appearances , Born and Bred and The Worst Witch . In recent years, Stubbs has also appeared in Victoria Wood's We'd Quite Like to Apologise , The Catherine Tate Show , Agatha Christie's Marple , EastEnders , Benidorm and, since 2010, Sherlock as Mrs. Hudson.
Stubbs appeared on the West End stage in Noël Coward's Star Quality with Penelope Keith in 2001 and Friedrich Schiller's Don Carlos with Derek Jacobi in 2005. In recent years she has appeared in La Cage Aux Folles at the Menier Chocolate Factory, Pygmalion at the Theatre Royal, Bath and Old Vic and The Family Reunion at the Donmar Warehouse. She was in the original cast of The Curious Incident of the Dog in the Night-Time at the National Theatre in 2012.
Stubbs was born in Welwyn Garden City, Hertfordshire, the daughter of Angela K. Rawlinson and Clarence Reginald Stubbs.  She grew up in Hinckley, Leicestershire.  She was married to the actor Peter Gilmore from 1958 to 1969: they adopted a son, Jason. After their divorce in 1969, she married actor Nicky Henson. They divorced in 1975 but remain good friends. She and Henson had two children: composer Christian Henson (born 25 December 1971), and musician-composer Joe Henson (born 18 September 1973). 
Stubbs has known her Sherlock co-star Benedict Cumberbatch since he was four years old, as she had worked with his mother Wanda Ventham.  Stubbs was the subject of an episode of the BBC series Who Do You Think You Are? , broadcast on 24 July 2013. It discussed several of her ancestors, including her great-grandfather Sir Ebenezer Howard, who was the founder of the garden city movement, and was the driving force in the design and creation of the first garden cities, Letchworth Garden City and Welwyn Garden City, situated in Hertfordshire. 
- Summer Holiday – Sandy (1963)
- The Bargee – Bridesmaid (1964)
- Wonderful Life – Barbara (1964)
- Three Hats for Lisa – Flora (1965)
- Mister Ten Per Cent – Lady Dorothea (1967)
- Till Death Us Do Part – Rita (1969)
- Penny Gold – Anna (1973)
- Bedtime with Rosie – Rosie (1975)
- Angel – Miss Dawson (2007)
- Golden Years - Shirley (2016)
- The Strange World of Gurney Slade – Vacuum Cleaner Girl / Girl in Park (2 episodes, 1960)
- Till Death Us Do Part – Rita (28 episodes, 1966–74)
- Fawlty Towers – Alice (in the episode The Anniversary , 1979)
- Worzel Gummidge – Aunt Sally (21 episodes, 1979–81)
- Give Us a Clue – Herself (16 episodes, 1979–1985)
- Till Death... – Rita (6 episodes, 1981)
- In Sickness and in Health – Rita (9 episodes, 1985–86)
- Worzel Gummidge Down Under – Aunt Sally (11 episodes, 1987–89)
- Keeping Up Appearances – Mrs. Moody (in the episode The Pageant , 1995)
- Delta Wave – Gilly Pigeon (4 episodes, 1996)
- Midsomer Murders – episode 1.1 "Written in Blood" – Selina Jennings (1998)
- The Worst Witch – Miss Bat (25 episodes, 1998–2000)
- The Catherine Tate Show – Carole-Ann & Ursula (2 episodes, 2005)
- EastEnders – Caroline Bishop (6 episodes, 2006)
- Agatha Christie's Marple : Sleeping murder – Edith Pagett (2006)
- Mist: The Tale of a Sheepdog Puppy – Fern (23 episodes, 2007–09)
- Benidorm – guesting as Diana Weedon (Season 3 Episode 5, 2009)
- Ingenious – Gransha (2009)
- Sherlock – Mrs Hudson (10 episodes, 2010–)
- Who Do You Think You Are? – Herself (Series 10, Episode 1)
- Starlings – Molly (Series 2, 2013)
- Coming Up : Sink Or Swim – Cynthia (2013)
- A Ghost Story for Christmas: The Tractate Middoth – Miss Chambers (2013)
- Midsomer Murders – episode 17.1 "The Dagger Club" – Audrey Braylesford (2015)
- The Big Painting Challenge (series 1) – Co-presenter, alongside Richard Bacon (2015)
- Call the Midwife – March 2015