Sarah Jayne Dunn is an English actress who has played Mandy Richardson from 1996 to 2006, sporadically between 2007 and 2008, regularly between 2010 and 2011, and from 2017 to 2021. She also played Mandy in the 2001 mini-series, Hollyoaks: Movin' On.
Her other credits include Brookside: Unfinished Business, Casualty and Doctors.
In October 2021, Dunn began posting images on internet content subscription service OnlyFans. In November 2021, Dunn met with soap bosses due to the programme prohibiting actors from being active on 18+ websites, but was unable to reach a resolution and Dunn's contract was terminated.