Movies:
* Jubilee (1978): As herself
* Quadrophenia (1979): As Stella
* The Bride (1985): As the Bride
* The Company of Wolves (1984): As Rosaleen
* The Comic Strip Presents... (various episodes, 1982-1990): Various roles
* The Last Days of Frankie Wilde (1993): As Mrs. Wilde
* The Secret of the Old Clock (1997): As Nanny O'Leary
* The Last September (2006): As Lady Jane
* The Woman in Black 2: Angel of Death (2014): As Mrs. Drablow
* The Unholy (2021): As Sister Mary
Television:
* The Tomorrow People (1973-1979): As a guest star
* The Kenny Everett Video Show (1980-1983): As a guest star
* The Comic Strip Presents... (various episodes, 1982-1990): Various roles
* Doctor Who (1984): As the character "The Warrior Queen"
* EastEnders (1985): As a guest star
* The Bill (1990): As a guest star
* Jonathan Creek (1997): As a guest star
* The Last Days of Frankie Wilde (1993): As Mrs. Wilde
* The Secret of the Old Clock (1997): As Nanny O'Leary
* The Vicar of Dibley (1994-2007): As a guest star
* The Queen's Nose (1998-2000): As a guest star
* Coronation Street (1960-present): As a guest star
* Hollyoaks (1995-present): As a guest star
* The Sarah Jane Adventures (2007-2011): As a guest star
* The Catherine Tate Show (2004-2006): As a guest star
* Casualty (1986-present): As a guest star
* Murder, She Wrote (1984-1996): As a guest star
* Emmerdale (1972-present): As a guest star
* Heartbeat (1992-2010): As a guest star
* Midsomer Murders (1997-present): As a guest star
* Agatha Christie's Poirot (1989-2013): As a guest star
* The Worst Witch (2017-2020): As Miss Cackle
* The Masked Singer (2020): As herself (as a contestant)
* The Real Housewives of Cheshire (2015-present): As a guest star
* Celebrity MasterChef (2005-present): As a contestant
* Strictly Come Dancing (2019): As a contestant
This is not an exhaustive list, as Toyah Willcox has appeared in numerous other projects.