Born in Sheffield, West Riding of Yorkshire Haines is best known for her television work. Her credits include: Dixon of Dock Green, Steptoe and Son, The Avengers (in which she appeared in four episodes: Girl on the Trapeze [uncredited], The Nutshell, The Master Minds and Who's Who???), Danger Man, Public Eye, The Baron, Softly, Softly, Adam Adam Ant Lives!, The Champions, The Saint, Department S, Randall and Hopkirk (Deceased), Up Pompeii! (as "Pussius Galoria" in an episode entitled Jamus Bondus), Emmerdale Farm, Special Branch, The Protectors and Within These Walls. Her film roles include The Last Shot You Hear (1969), Walk a Crooked Path (1969), The Fast Kill (1972), and the horror films The Night Caller (1965) and Virgin Witch (1972), directed by Ray Austin.