Transmat:Torchwood
From Tardis Wiki, the free Doctor Who reference
John Barrowman (born 11 March 1967 in Glasgow) appeared as Captain Jack Harkness, beginning in TV: The Empty Child in 2005, leaving the series after the Series 1 finale, The Parting of the Ways. Barrowman subsequently portrayed Captain Jack in a spin-off series, Torchwood, which aired four series. Barrowman has also reprised Captain Jack in several episodes of Doctor Who from 2007 to 2010 and in a number of audio dramas produced for BBC Radio.