About Angela Cartwright
Angela Margaret Cartwright is a British-American actress and photographer. As a young performer, she played Linda Williams, the stepdaughter of Danny Williams in the long-running TV series The Danny Thomas Show, and Penny Robinson in the 1960s television series Lost in Space. She is also known for her role as Brigitta von Trapp in the 1965 film The Sound of Music. Her older sister is actress Veronica Cartwright. Cartwright made her first film appearance at age three as Paul Newman's character's daughter in Somebody Up There Likes Me (1956), and appeared with Rock Hudson and Sidney Poitier in Something of Value (1957). The film won five Academy Awards and eclipsed Gone with the Wind as the highest-grossing film of all-time.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.