Barbara Windsor, MBE is considered something of a "national institution" in the UK. Although she only made 10 Carry On films she is considered very much a main Carry On cast member. Barbara is currently in the UK series Eastenders.
Joan Sims' first role in the Carry On films was in '59's Carry On Nurse. She made 24 Carry On movies. In the 90's Joan was a regular on the fav tv series As Time Goes By, which starred Dame Judi Dench.