Diana Coupland was a British actress known for her work in television and film during the 1960s and 1970s. She gained popularity for her role in the TV series The Likely Lads, where she played the character of "Thelma." Coupland's performances often showcased her talent for both comedy and drama. In addition to her television work, Coupland appeared in various films, including The Family Way and The Spy Who Came in from the Cold. Her contributions to the entertainment industry have left a lasting impression, and she is remembered for her versatile acting skills and engaging screen presence.