[5] During the Second World War, Stoney served with the Royal Air Force.

[6] On television, he appeared in three serials of the science fiction series Doctor Who over a period of ten years, playing Mavic Chen in The Daleks' Master Plan (1965), Tobias Vaughn in The Invasion (1968) and Tyrum in Revenge of the Cybermen (1975).

[7] Stoney's other credits include The Adventures of Robin Hood, The Saint, Danger Man, The Avengers, Dr. Finlay's Casebook, The Prisoner, Softly, Softly, Man in a Suitcase, The Troubleshooters, Doomwatch, Freewheelers, Z-Cars, The Tomorrow People, Ace of Wands, Special Branch, The Onedin Line, Fall of Eagles, Space: 1999, The New Avengers, Quatermass, Hammer House of Horror, Bergerac, All Creatures Great and Small, The Bill and in the highest-rated episode of Inspector Morse.

[6][10] In 1985, it was reported in the Doctor Who fan magazine DWB that Stoney had died at the age of 64, but in 1987 he made an appearance at a Doctor Who convention to prove he was very much alive, to the shock of the fans.

[6] Stoney died on his 87th birthday, 22 January 2008, in Chiswick, after a long battle with skin cancer.