Barbara Bain is an American actress. She is best known for her role as Cinnamon Carter Crawford on the action television series Mission: Impossible (1966–1969), which earned her three Primetime Emmy Awards, as well as a Golden Globe Award nomination. She also starred as Dr. Helena Russell on the British-Italian coproduction science-fiction television series Space: 1999 (1975–1977). Bain has also appeared in the films Animals with the Tollkeeper (1998), Panic (2000), Forget Me Not (2009) and On the Rocks (2020).

Mission: Impossible is an American espionage television series that aired on CBS from September 1966 to March 1973. It was revived in 1988 for two seasons on ABC. It also inspired the series of theatrical motion pictures starring Tom Cruise beginning in 1996.