Gareth Jones (6 June 1925[citation needed] – 30 November 1958) was a British actor, chiefly remembered for the circumstances of his death, during the transmission of a live television play, Underground, part of the Armchair Theatre series.

[citation needed] Jones appeared in Dundee Repertory Theatre plays including "Petticoat Influence" (1952),[1][2] The Beaver Coat (1952),[3][4] "The Hollow Crown" (1952),[5][6] "The Queen's Husband" (1952),[7][8] "Young Madame Conti" (1952),[9] and The Lark (1955).

[17] During a live television broadcast of the anthology series Armchair Theatre in the play Underground on the ITV network in the UK on 30 November 1958, Jones suffered a massive heart attack and died while off-camera between two of his scenes.

Some contemporary news reports stated that he had suffered the heart attack while on camera,[18] although most references claim that he was stricken while in a make-up chair, between scenes.

However, actor Peter Bowles, also in the cast, recalled that "During transmission, a little group of us was talking on camera while awaiting the arrival of Gareth Jones's character, who had some information for us.