Her credits include: Dixon of Dock Green, Steptoe and Son, The Avengers (in which she appeared in four episodes: "Girl on the Trapeze" [uncredited],[6] "The Nutshell", "The Master Minds", and "Who's Who???

(as 'Pussius Galoria' in an episode titled "Jamus Bondus"), Emmerdale Farm, Special Branch, The Protectors, and Within These Walls.

Her film roles include: The Shakedown (1959), The Night Caller (1965), The Last Shot You Hear, Walk a Crooked Path (both 1969), The Fast Kill, and Virgin Witch (both 1972).

[2] In 1969, Haines guested in the final ever episode of The Saint, (S6, E20 'The World Beater'), as Kay Collingwood, a scheming businesswoman (and rally co-driver) who had previous history and a love-hate relationship with Simon Templar.

Haines met actor Michael Caine in repertory theatre in Lowestoft, Suffolk, at the Arcadia Theatre (now the East Coast Cinema in London Road South) with Jackson Stanley's 'Standard Players'.