Lesley Clare O'Neill is a British actress who played Sonia Wilkins in 1984 and Debi Scott in 1993. She has had many small roles since the late 1970s, including TV series' Accident, Rockliffe's Babies, Waterfront Beat, Turning World and Heartbeat. Among her other roles was TV movie Walter, starring Ian McKellen and notable for being part of Channel 4's launch night in 1982. She still acts but is most known now as a scriptwriter for Emmerdale. She also wrote the 2003 BBC Afternoon Play Heroes and Villains, starring Tracie Bennett.