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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.
Directed by James Strong
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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
Horizon
2019
4watch
