The Importance of Being Earnest (1974) HD/Coral Browne, Michael Jayston, Julian Holloway, Celia Bannerman, Gemma Jones

Play of the Month, S9 E6. Very faithful adaptation of the famous play by Oscar Wilde. In 1890s London, two friends use the same pseudonym ("Ernest") for their on-the-sly activities. Hilarity ensues.
Starring Coral Browne, Michael Jayston, Gemma Jones, Julian Holloway, Celia Bannerman, Lally Bowers, Richard Pearson, Arthur Hewlett, Douglas Milvain. Directed by James MacTaggart.