Blake studied acting at the Guildhall School of Music and Drama and began her professional career in the late 1960s. She appeared in the 1969 film Goodbye Mr. Chips. She went on to perform additional roles on television. In 1971 she landed the lead role in a Yorkshire Television Production Follyfoot, which ran for three series until 1973. Her last role of note was in two episodes of the BBC2 Playhouse series in 1980.
