 Captain John Hart , played by James Marsters , is a fictional character from the BBC science fiction television programme Torchwood . He is introduced in the episode " Kiss Kiss , Bang Bang " — the first episode of Torchwood 's second series . Whilst the character has not featured subsequently to the second series finale , he went on to appear in a Torchwood Magazine comic strip and Marsters has stated his interest in reprising the role on more than one occasion . 
