Forsyth's first acting role was as Nicky in the BBC children's television series The Biz in 1995, appearing alongside Paul Nicholls.
She subsequently appeared in several television series, including Peak Practice, Where the Heart Is, Casualty, Heartbeat, The Bill, Dalziel and Pascoe, Holby City, The Line of Beauty, Luther, Waterloo Road, Criminal Justice, Coronation Street, Sons and Lovers, New Tricks (S8:E7, 2011).
In October 2019, Forsyth released the single "Debris" on The Leaf Label, followed by "Start Again", with accompanying video by Andrew Hulme, in January 2020.
[4] It also made 2020's 'end of year lists' in The Quietus, Norman Records, The Line Of Best Fit, Loud And Quiet, Resident and Rough Trade.
The EP "suggests a broadening of Forsyth's musical horizons" and was featured in Rough Trade's Top 100 and Uncut's albums of the year.