Diane Grayson (born Diane Guinibert in 1948 in London, England) is an English actress. When she was 14, Grayson played Louisa in the musical The Sound of Music for 18 months at the Palace Theatre in London. She later played "Jenny" in The Prime of Miss Jean Brodie (1969) and "Janie Harker" in Emmerdale. Her earliest television role was as "Penny Richardson" (niece of motel owner "Meg Richardson", played by... see more