Evison first began acting while studying an arts degree at Victoria University, performing in radio plays recorded onto acetate discs.
In 1971, Evison starred in the television drama serial Pukemanu as storekeeper Phyllis Telford, a role written specially for her by series creator Julian Dickon.
[6] In the 1980 Queen's Birthday Honours, Evison was appointed an Officer of the Order of the British Empire, for services to the theatre.
[7] She was promoted to Dame Commander of the Order of the British Empire in the 1993 New Year Honours, for services to theatre, television and the community.
[1] Evison suffered from numerous health problems in her later years including cancer, diabetes, several minor strokes and arthritis.