The daughter of Percy Marmont[ the film star] she became a successful Actress in her own right, Starring in countless films, including Suddenly Last Summer, and Charle Chann. She then became a very powerful agent/manager based in London under her company Marmont Management. Representing Artists like Dame Patricia Routledge, Sir Kenneth Branagh, Geraldine McEwan, Ashley Artus, Alex Jennings, Guy Henry, Charles Kay, Nicholas Hytner, William H Macey, Julia Ormond to name a few.