Guest Stars John Barrowman as Captain Jack Harkness Jo Martin as The Doctor Nicholas Briggs voices Judoon Captain Pol-Kon-Don Paul Kasey as Judoon Captain Pol-Kon-Don Ritu Arya as Commander Gat Jo Martin as Ruth Clayton Neil Stuke as Lee Clayton Richard Price as Judoon Katie Luckins as Tourist Michael Begley as All Ears Allan Judith Street as Marcia Simon Carew as Judoon Richard Highgate as Judoon Matthew Rohman as Judoon