Sleeper [2.2] (23 January 2008) — Jack Harkness

Captain Jack Harkness is a fictional character portrayed by John Barrowman in Doctor Who and its spin-off series, Torchwood. The character first appears in the 2005 Doctor Who episode "The Empty Child" and subsequently features in the remaining episodes of the first series (2005) as a companion to the series' protagonist, the Doctor. Subsequent to this, Jack became the central character in the adu