Carmen Duncan was born in Lismore, New South Wales, Australia. Carmen was a NIDA graduate and was an actress who was best known for her works in The Spoiler (1972), Number 96 (1972), Skyways (1979), A Country Practice (1981) and many more. Carmen would make appearances in many American TV series which included a run in As the World Turns (1956), Another World (1964), Ash vs Evil Dead (2015) and more. Carmen's shining light in her career was her glistening career in American TV, making her mark on Another World and making the role her own.

Duncan would sit on the board of what would become the Media Entertainment Arts Alliance and remain active on the board for a long time.

Carmen would survive two bouts of cancer before a third would take her life on 3 February 2019, Carmen was survived by her family.