She has appeared in three different productions with Colin Baker in which
she played a companion of his with the surname Brown: Doctor Who (1963) (Peri
Brown), The Stranger series (Miss Brown) and The Airzone Solution (1993) (Elenya "Ellie"
Brown).
[speaking in 1985 about men's reaction to her as Peri in Doctor Who (1963)] I think it must be something to do with the sexy tight costumes I wear. They are so tight they are sometimes uncomfortable - that's why I like wearing baggy clothes away from the series.