Joanna Marion Scanlan is a British actress and writer. On television, she is known for her roles in The Thick of It (2005–2012), Big School (2013–2014), Puppy Love (2014), No Offence (2015–2018), Requiem (2018), and The Larkins (2021). She was nominated for three BAFTA TV Awards for Getting On (2009–2012), including two for Best Writing.

Getting On is a satirical British sitcom based on a geriatric ward in an NHS hospital. It is written by its core cast, Jo Brand, Vicki Pepperdine, and Joanna Scanlan. Series 1 and 2 were directed by Peter Capaldi, who also appears as Dr. Healy. It first aired in July 2009, for three episodes. The second series of six episodes aired in 2010, with the third series airing in late 2012. Despite strong critical acclaim, the show was not recommissioned for a fourth series. It was shot in the closed Plaistow Hospital.