Sue Holderness is a celebrated British actress, widely recognized for her enduring role as Marlene Boyce in the iconic BBC sitcom Only Fools and Horses and its spin-off series, The Green Green Grass. After gaining widespread recognition for her enduring role as Marlene Boyce in the iconic BBC sitcom Only Fools and Horses, Sue Holderness went on to cement her status in British television. Appearing in 20 episodes of the beloved series from 1985 to 2003, Holderness first honed her craft at the Central School of Speech and Drama. Her early career saw consistent work across theatre, radio, film, and television, notably with the Manchester 69 Theatre Company in productions like A Midsummer Night’s Dream and Peer Gynt, and performing as Desdemona in Catch My Soul.
From 2010 to 2012, she also toured in the popular stage production of Calendar Girls. Her extensive television guest appearances span decades, including Sheila Kelly/Rose Day/Beryl Mellor in Doctors (2004-2014), Alice Sweeney in Casualty (2013), Mrs. Rossi in Still Open All Hours (2018-2019), Gloria Davidson in Holby City (2020), and Estelle Jones in EastEnders (2021). Sue Holderness currently stars as Judith Lloyd-James in the popular Channel 5 series, The Madame Blanc Mysteries, which began in 2021 and continues to highlight her relevance and enduring talent in contemporary television.