Hamilton was born in Uddingston.[1] In the late 1960s and early 1970s, she played the love interest and later wife of Detective Chief Superintendent John Watt (played by Frank Windsor) in the TV seriesSoftly, Softly and its Taskforce spin-off.
She appeared in two episodes of the ITC series Man in a Suitcase (1967), played student teacher Ann Collins in the "Please Sir" episode "Student Princess" (1968), and Eva Zoref, the wife of Anton Zoref (Ian McShane), in the Space: 1999 episode "Force of Life" (1975). In 1980 she played the part of Dr. Claire Wilson in the Shoestring episode "The Farmer had a Wife". She more recently played Edwina Dunn in EastEnders and Maisie McLintock in Doctors.