Gwyneth Strong

Strong's first acting appearance was in the Royal Court Theatre's production Live Like Pigs, when she was 13. In 1973, whilst a pupil at Holland Park School, she appeared in the horror film Nothing but the Night as Mary Valley, and had a role as Princess Dagmar, younger sister of the Princess of Wales, later Queen Alexandra, in the series Edward the Seventh.

She was a regular in the children's TV series The Flockton Flyer between 1977 and 1979 as Jan Carter. Another of her early television appearances came in 1982 when she appeared as Carol Dalston in the Minder episode "Poetic Justice, Innit?".

Strong gained mainstream recognition as Cassandra Parry, the love interest and later wife of Rodney Trotter in Only Fools and Horses, debuting in the series' sixth season. She also appeared in the "Observation" segment about detective Samantha Smith made for the 1990 series of The Krypton Factor, the two-part drama serial The Missing Postman as WPC Rachel McMahon, the BBC drama Real Women from 1997 to 1998, as Hetty in ITV's Lucy Sullivan Is Getting Married (1999) and in the BBC drama Casualty in 2003 as Jim Brodie's wife Elizabeth.

Strong was featured in the television film It's a Lovely Day Tomorrow (1975), written by Bernard Kops and directed by John Goldschmidt, depicting the real-life drama of the Bethnal Green tube disaster in World War II. She also appeared in the "True Confessions" two-part episode of the series A Touch of Frost, reuniting her on screen with her Only Fools and Horses co-star David Jason.

She appeared on the West End stage in 2008 in the musical Our House, in which she played Kath Casey. In May 2010, Strong appeared in Midsomer Murders “The Made-to-Measure Murders” as Katie Soper. In 2011, Strong joined the cast of A Round-Heeled Woman at the Aldwych Theatre.

In September 2016, she joined the cast of the BBC soap opera EastEnders, in the recurring role of Geraldine Clough, a rival darts player against the Queen Vic.