John Barrowman as Captain Jack HarknessActor/singer John Barrowman is born in Scotland. At a young age, he moves to the midwestern United States with his family, where he remains until graduating college in the late 1980s. Moving back to the UK, he begins a career on the musical stage, though he retains dual citizenship allowing him to work on either side of the Atlantic. Early US TV roles in such series as Titans and Central Park West pay the bills, but most genre fans know him best as Captain Jack Harkness, a character Barrowman has played on both Doctor Who and its spinoff, Torchwood, which centers around his character. Further television guest starring and regular roles follow, including Desperate Housewives and Arrow.