Episode: Series One, Episode One

• John Barrowman – Captain Jack Harkness
• Eve Myles – Gwen Cooper
• Burn Gorman – Owen Harper
• Naoko Mori – Toshiko Sato
• Gareth David-Lloyd – Ianto Jones
• Indira Varma – Suzie Costello
• Kai Owen – Rhys Williams
• Tom Price – PC Andy Davidson
• Paul Kasey – Weevil
• Guy Lewis – Young cop
• Jason May – SOCO
• Rhys Swinburn – John Tucker
• Olwen Medi – Yvonne
• Gwyn Vaughan-Jones – DI Jacobs
• Dion Davis – Officer
• Jams Thomas – Hospital porter
• Mark Heal – Security Guard
• Gary Shepheard – Pizza lad
• Gwilym Havard Davies – Man
• Cathryn Davies – Woman

Basic Plot

When Torchwood arrives on the scene of a brutal murder, WPC Gwen Cooper's burning curiosity is challenged. Their attitude, their approach and their technology is at odds with everything she believes in. But investigating the investigators leads her into a dark, paranoid world she never imagined existed.