Susan Joan Pringle Holderness is an English actress. She best known for having played the role of Marlene Boyce in the British sitcom Only Fools and Horses and its spin-off The Green Green Grass.
Holderness was born in Hampstead, London. After taking her A-levels, she trained at the Central School of Speech and Drama.
Television roles include Marianne in The Sandbaggers (two series), Bless This House, as Pamela Huntley-Johnson in the episode The Bells Are Ringing (1974) in which she was credited as Susan Holderness, as Liz in It Takes a Worried Man (two series), Jo in The Brief, Cleopatra IV in The Cleopatras; as Laura Doolan, a wife of serial bigamist “Confident” Clive Cosgrove in the Minder episode A Number of Old Wives Tales (1984); episodes of The New Avengers, Thriller, Sob Sisters, Growing Pains, Doctors, Lime Street with Robert Wagner, and Murder in Suburbia. She played Rowan Atkinson’s love interest, Lorraine, in Canned Laughter, and did numerous impersonations in two series of End of Part One. She played Maggie in Dear John, by John Sullivan, Joan Forrester (Oscar Blaketon’s former wife) in Heartbeat for YTV, Joan Travis in Revelations, and Rachel’s mum in Cold Feet, also for Granada.