John Barrowman
From Tardis Wiki, the free Doctor Who reference
John Barrowman (born 11 March 1967 or 1968 (sources differ) in Glasgow) appeared as Captain Jack Harkness, beginning in "The Empty Child." Barrowman is also set to portray Captain Jack in a 13-part Doctor Who spin-off series titled Torchwood (an anagram of "Doctor Who"), which will premiere in Summer 2006. Barrowman is also scheduled to return to Doctor Who in 2007.