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. Returning to Britain in the mid-1960s, Wilkin provided the voice of Virgil Tracy for the second series of
Thunderbirds following the departure of the character's original voice actor, David Holliday, in 1965. In 1968 he provided the voice of Captain Ochre, the original Captain Black and many supporting characters for
Captain Scarlet and the Mysterons. He was also a recurring cast member for the live-action series UFO. Other Gerry Anderson credits include
Joe 90 and
The Secret Service. Wilkin played one of the leads in the 1965 TV sci-fi series
Undermind ()