Appeared as Sylvia in Mary O'Malley's "Look Out ... Here Comes Trouble!" for the RSC at the Donmar Warehouse, London . Also in the cast were: Nigel Terry (George), Jane Carr (Janet), Edwin Richfield (Denis), John Rogan (Kieran), Nicholas le Prevost (Dr Wilson), Maxine Audley (Olive), Deirdra Morris (Vicky), Jeffery Kissoon (Cyril), Brian Hayes (Wally), Charles Wegner (Trevor), Peter Clough (Brian), Doreen Keogh (Mrs O'Toole), Denyse Alexander (Night Nurse). It was directed by John Caird.
Formed the short-lived 1970s girl group Rock Bottom, with Diane Langton and Annabel Leventon. Leventon, Brown, and Langton won their case against Thames TV in the High Court in 1982 "for ripping of Rock Bottom to produce Rock Follies [that year] ... All three actresses were given substantial damages and Thames TV was found to be in breach of confidence 'in using the idea, in making and screening the two Rock Follies series'".