"The Importance of Being Earnest" (1974) Coral Browne, Michael Jayston, Gemma Jones, Celia Bannerman, J. Holloway

(Hard to find) Play Of The Month S9 E6. Very faithful adaptation of The Importance Of Being Earnest -starring Coral Browne, Michael Jayston, Julian Holloway, Gemma Jones, Celia Bannerman. Directed by James MacTaggart.
In 1890s London, two friends use the same pseudonym ("Ernest") for their on-the-sly activities. Hilarity ensues.