The Poison Sky (2) (S4E05)
2008-05-03 • 47 min
The Sontarans continue their evil plot and begin to "choke" the Earth. The Doctor and Donna, now teamed with Martha have to stop them! Can they save Earth before it's too late?
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Guest Stars
Billie Piper
Rose Tyler
Freema Agyeman
Martha Jones
Christopher Ryan
Commander Stark
Ryan Sampson
Luke Rattigan
Christian Cooke
Ross Jenkins
Dan Starkey
Commander Skorr
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Bridget Hodgson
Captain Price
Rupert Holliday-Evans
Colonel Mace
Leeshon Alexander
Male Student
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Wesley Theobald
Private Gray
Kirsty Wark
Kirsty Wark
Bernard Cribbins
Wilfred Mott
Clive Standen
Private Harris
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Meryl Fernandes
Female Student
Lachele Carl
Trinity Wells
Jacqueline King
Sylvia Noble
