Veronica Cartwright is a British-born American actress. She is known for appearing in science fiction and horror films, and has earned numerous accolades, including three Primetime Emmy Award nominations. Her younger sister is actress Angela Cartwright.

Angela Margaret Cartwright is an English-born American actress primarily known for her roles in movies and television. On television, 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. Cartwright's most famous movie role was the part of Brigitta von Trapp in the film The Sound of Music (1965). Her older sister is actress Veronica Cartwright.