Fairn made her debut television role as Casey in
BBC One police drama
The Responder starring
Martin Freeman, and broadcast in January 2022. The series was well-received and a second series was commissioned with a start of filming date set for late 2023. She appeared as Frida in an episode of the BBC One
dark comedy series
Rain Dogs starring
Daisy May Cooper. She has a role in the episode
Demon 79 from the sixth series of
Black Mirror on
Netflix. On stage, Fairn appeared in 2023 in the
West End alongside
Lucas Hedges and
Mike Faist in a production of
Brokeback Mountain at the SoHo Place Theatre, featuring a musical performance by a band led by
Eddi Reader. Fairn appears as Hedges' wife Alma and Nick Curtis in the
Evening Standard said she showed "startling assurance" for her debut, and Fiona Mountford for
The i said she deserved "plaudits". She has filmed a
BFI-backed feature film called
Chuck Chuck Baby, described as a musical drama set in a chicken factory in industrial north Wales, written and directed by Janis Pugh. She also has a role in the
Sky One political thriller
COBRA, She is also in the
Oliver Hermanus directed period drama series
Mary & George, in which she plays the maid to an aristocrat played by
Julianne Moore. Fairn portrayed comedienne
Laraine Newman in the 2024 biopic
Saturday Night. ==Filmography==