[5] The Telegraph obituary writer recalled Hayman, "with her toothy, jolly-hockey-sticks, quintessentially English persona", sometimes being compared to the female star of that film, Joyce Grenfell.

[7] Predominantly appearing in comedy, Hayman became the foil for many famous comedians including Sid James, Tommy Cooper, Dick Emery, Les Dawson, and Morecambe and Wise.

[4] Apart from scores of small parts, Hayman appeared in the Doctor Who serial The Dæmons (1971) as Miss Hawthorne, the self-proclaimed White Witch of the village Devil's End.

[8][9] Doctor Who, the Television Companion described her character as, "very memorable," and praised Hayman as being "perfectly cast in the role, her engaging performance adding much to the story".

[1][11] Hayman also appeared in many films including Bitter Harvest (1963), Smokescreen (1964), Bunny Lake Is Missing (1965), Mutiny on the Buses (1972), Love Thy Neighbour (1973), Man About the House (1974), Confessions of a Driving Instructor (1976) and The Pink Panther Strikes Again (1976).