Movies:
* The Outfit (2022) - as Mabel
* The King's Man (2021) - as Nurse
* The Souvenir Part II (2021) - as Woman at Party
Television:
* The Crown (2022) - as Princess Margaret's Maid (Season 5)
* The Nevers (2021) - as Miss Penelope
* Sandman (2022) - as Desire (voice)
* The Pale Horse (2020) - as Rose
* The Stranger (2020) - as PC Hannah
* The Last Kingdom (2019) - as Aethelflaed
* The Victim (2019) - as Young Anna
* Informer (2018) - as Louise
* Casualty (2018) - as Nurse Charlotte (1 episode)
* Death in Paradise (2018) - as Katie (1 episode)
Other Projects:
* The Duke (2021) - as Girl in Pub (uncredited)
Please note that this list may not be exhaustive. Gabrielle Richens is a busy actress with a growing filmography.