Career: Keith became a star on the small screen in 1975, playing snooty Margo Leadbetter in BBC sitcom The Good Life. More success followed with To the Manor Born, in which she played penniless aristocrat Audrey fforbes-Hamilton alongside Peter Bowles, with whom she was reunited in ITV's Executive Stress in 1986. No Job for a Lady in which she played a rebellious Labour MP and Next of Kin, in which she depicted a retired woman coping with her estranged daughter's children, failed to make much of a mark. She has since largely stayed away from TV, concentrating instead on the theatre, gardening and charity work. However, Keith did return to the small screen in 2003 in Margery and Gladys opposite June Brown, and starred in a one-off To the Manor Born Christmas Special in 2007.

Career: Bowles spent his early years in theatre before making his TV debut in 1959's Last Chronicle of Barsett. He had roles in such classic series as The Avengers, Danger Man and The Prisoner throughout the 1960s. He continued to work steadily in such shows as I, Claudius and Rumpole of the Bailey, but didn't become a star until appearing concurrently in two sitcoms in 1979: the BBC's To the Manor Born and ITV's Only When I Laugh. Since then he's appeared in The Bounder, Lytton's Diary (a series he created), Executive Stress and Perfect Scoundrels. His movies include Blowup and For the Love of Benji. In 2007 he returned along co-star Penelope Keith in a Christmas special of To the Manor Born. He also starred with Keith in 2010 at the Theatre Royal, Haymarket, in The Rivals. In 2011, he had a supporting role in the big-screen romantic comedy Love's Kitchen.

Career: After appearing in Confessions of a Pop Performer and Space: 1999, she became a mainstream British star in 1976 series Rock Follies. Despite having little fame in North America, her appearance on shampoo commercials helped make her a cult star, largely thanks to chat show host Johnny Carson who used the ads as a running gag. Rula has been a TV regular in Britain for decades, starring in Minder, Boon, Casualty, Return of the Saint and Robin of Sherwood. She's also no stranger to soapland, having starred in Doctors and EastEnders. From 2009 to 2011 she played Coronation Street's Claudia Colby, leaving the role for the stage show Calendar Girls.