"Golden Age" is an original radio play written by James Goss and is a spin-off from the British science-fiction television series Torchwood, itself a spin-off from Doctor Who. This episode aired on 2 July 2009 on BBC Radio 4. It stars John Barrowman as Captain Jack Harkness, Eve Myles as Gwen Cooper, Gareth David-Lloyd as Ianto Jones and Jasmine Hyde as The Duchess.