Cindy was born Cynthia Sofia Brady in 1962. She is the youngest daughter of Carol Brady, and the youngest of the Brady kids. She always wore her hair in curls or braids during the first ten years of her life. In Season 4, Cindy started wearing her hair in pigtails until Season 5 episode "The Driver's Seat", when she lets her hair down. She was a naive, but occasionally precocious, little girl and had a pronounced lisp. She frequently liked to snoop and share secrets she discovered. The family had to help her correct her habit of tattling.
- Susan Olsen in The Brady Bunch, The Brady Bunch Hour, The Bradys
- Jennifer Runyon in A Very Brady Christmas
- Olivia Hack in The Brady Bunch Movie and A Very Brady Sequel
- Sofia Vassilieva in The Brady Bunch in the White House