Helen Jane Charley, later known as Helen Lindsay, was born to British parents in Coimbatore, a city in the Indian state of Tamil Nadu. Her early life remains somewhat of a mystery, but she made her stage debut as a snake charmer in a 1952 production of Pinocchio at the Library Theatre in Manchester, England.
Lindsay's first screen appearance followed a year later, and she went on to specialize in playing haughty royals, dignified noblewomen, and imperious or snobby society matrons, often in period dramas adapted from literary classics.
Throughout her career, she took on various stage roles, including Lady Benbow in Thark, Princess Tugo-Ukhovsky in Chatsky, and Mme de Rosemonde in Les Liaisons Dangereuses with the Royal Shakespeare Company in 1993.
On television, Lindsay was notable for her portrayal of Estella, Magwich's daughter, in an early BBC adaptation of Great Expectations in 1959, Miss Temple in Jane Eyre in 1970, and Lady Constantia Lorridaile in Little Lord Fauntleroy in 1995.
She also enriched numerous TV series with her performances, ranging from The Avengers in 1961 to Upstairs, Downstairs in 1971, from All Creatures Great & Small in 1978 to Foyle's War in 2002.
Lindsay's gallery of historical personae includes the Countess of Leicester and Pembroke, Eleanor de Montfort, in Churchill's People in 1974, Queen Yolande of Aragon in The Disputation in 1986, and the Dowager Queen Maria de Medici in an episode of The Wonderful World of Disney in 1997.
Helen Lindsay retired from acting in 2009. She was married to the art director and production designer Alan Pickford, best known for his work on The Jewel in the Crown in 1984, who predeceased her in 2002.