The Mighty Atom (Thunderbirds) Jeff Tracy (voiced by Peter Dyneley) dispatches Scott (voiced by Shane Rimmer) in "Thunderbird 1". Lady Penelope (voiced by Sylvia Anderson), who is visiting Tracy Island with Parker (voiced by David Graham) and is eager to accompany the Tracy brothers on a mission, leaves with Virgil and Gordon (voiced by David Holliday and David Graham) in "Thunderbird 2" carrying Pod 4. When "Thunderbird 2" reaches the North African coast, Gordon launches in "Thunderbird 4" and proceeds to the plant's seawater inlet. "Thunderbird 2" continues to the plant, where Scott and Virgil don protective suits and enter the reactor room to
David Graham (actor) the early voices of the Daleks, following the death of the Dalek designer Raymond Cusick. David Graham (actor) David Graham (born 1924 or 1925) is an English character actor and voice artist. Born in London, he trained as an actor in New York City following service in the Royal Air Force as a radar mechanic, and has since worked mainly in British television. Graham is known for his voice work for the series "Doctor Who" and "Thunderbirds" during the 1960s. Graham played several characters in the science-fiction TV series "Doctor Who" during the 1960s and 1970s, most notably Dalek voices