Margaret Anne "Maggie" Kirkpatrick (née Downs, born 29 January 1941) is an Australian actress, who is best known for her portrayal of the character Joan Ferguson, a sinister and cold lesbian prison officer, nicknamed "The Freak" in the popular Australian television soap opera, Prisoner. She performed as Madame Morrible in an Australian production of the musical Wicked. Kirkpatrick has appeared in such popular series as Water Rats, Home and Away and All Saints.