Episode: Series One, Episode Six

• John Barrowman – Captain Jack Harkness
• Eve Myles – Gwen Cooper
• Burn Gorman – Owen Harper
• Naoko Mori – Toshiko Sato
• Gareth David-Lloyd – Ianto Jones
• Kai Owen – Rhys Williams
• Owen Teale – Evan Sherman
• Maxine Evans – Helen Sherman
• Calum Callaghan – Kieran
• Rhys op Trefor – Huw
• Emily Bower – Ellie
• Robert Barton – Martin

Concerned that the space-time rift is spreading, Torchwood investigate a series of gruesome deaths in the Brecon Beacons village of Brynblaidd. What sort of creature could cause such shocking injuries? Stranded without communications or equipment and isolated from one another, the team confront a terrifying enemy.