David Jeremy Wilkin (6 June 1930 – 19 December 2017) was an English actor, best known for his contributions to the television productions of Gerry Anderson. Born in Byfleet, Surrey, Wilkin emigrated to Toronto, Ontario, Canada after completing his studies at the Royal Academy of Dramatic Art. He had previously trained as a doctor. Wilkin played one of the leads in the 1965 TV sci-fi series Undermind as Drew Heriot, a personnel manager inadvertently drawn into a sinister plot to control human minds and sow discord in society.