Born in Calgary in 1957, Clarke became a permanent member of the One Yellow Rabbit (OYR) ensemble in 1986, creating and co-creating various OYR productions such as Erotic Irony of Old Glory, Featherland and Sign Language. Among her many stage roles she has portrayed Ilsa, Queen of the Nazi Love Camp in Vancouver. She has also choreographed musical theatre for the likes of Edmonton's Citadel Theatre, Theatre Calgary and The Canadian Stage in Toronto.