A meeting in a London bus with jewel thief Lady Christina takes a turn for the worse for the Doctor when the bus takes a detour to a desert-like planet, where the deadly Swarm awaits.
David Tennant
The Doctor
Michelle Ryan
Christina
Lee Evans
Malcolm
Noma Dumezweni
Capt Magambo
Adam James
DI McMillan
Glenn Doherty
Sgt Dennison
Victoria Alcock
Angela
Daniel Kaluuya
Barclay
Ellen Thomas
Carmen
David Ames
Nathan
Reginald Tsiboe
Lou
James Layton
Sgt Ian Jenner
Keith Parry
Bus Driver
Paul Kasey
Sorvin
Ruari Mears
Praygat
James Strong
Director
Gareth Roberts
Writer
Russell T Davies
Murray Gold
Original Music Composer
Tracie Simpson
Producer
Rory Taylor
Director of Photography
Debbi Slater
Associate Producer
Julie Gardner
Executive Producer
Mike Jones
Editor
