Doctor Who The Poison Sky (Season 4, Episode 5)
TV-PG
TV Episode | 45 min | Adventure, Drama, Sci-Fi

Doctor Who

The Poison Sky (Season 4, Episode 5)

TV-PG

TV Episode | 45 min | Adventure, Drama, Sci-Fi

With planet Earth choking under the poison sky, the Doctor must stop the Sontarans' threat to the planet.

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Cast	+ Add Cast
22 cast members

Name	Known for
David Tennant The Doctor The Doctor See fewer	Doctor Who (2005)
Catherine Tate Donna Noble Donna Noble See fewer	The Catherine Tate Show (2004)
Freema Agyeman Martha Jones Martha Jones See fewer	Doctor Who (2005)
Billie Piper Rose Tyler Rose Tyler See fewer	Secret Diary of a Call Girl (2007)
Bernard Cribbins Wilfred Mott Wilfred Mott See fewer	Frenzy (1972)
Jacqueline King Sylvia Noble Sylvia Noble See fewer	55 Degrees North (2004)
Ryan Sampson Luke Rattigan Luke Rattigan See fewer	The Frankenstein Chronicles (2015)
Rupert Holliday-Evans Colonel Mace Colonel Mace See fewer	Dirty Rotten Scoundrels (1988)
Christopher Ryan General Staal General Staal See fewer	Bottom (1991)
Dan Starkey Commander Skorr Commander Skorr See fewer	Doctor Who (2005)
Clive Standen Private Harris Private Harris See fewer	Vikings (2013)
Wesley Theobald Private Gray Private Gray See fewer	The Novelist (I) (2009)
Christian Cooke Ross Jenkins Ross Jenkins See fewer	Love, Rosie (2014)
Meryl Fernandes Female Student Female Student See fewer	EastEnders (1985)
Leeshon Alexander Male Student Male Student See fewer	Hounds of War
Biddy Hodson Captain Price (as Bridget Hodgson) Captain Price (as Bridget Hodgson) See fewer	Hellboy (2004)
Kirsty Wark Kirsty Wark Kirsty Wark See fewer	Black Mirror (2011)
Lachele Carl US Newsreader US Newsreader See fewer	Anansi Boys
David A. Bowen UNIT Soldier (uncredited) UNIT Soldier (uncredited) See fewer	Gone Fishing (I) (2008)
Marcus Elliot HQ Soldier (uncredited) HQ Soldier (uncredited) See fewer	The Five(ish) Doctors Reboot (2013)
Jeanie Gold Neighbour (uncredited) Neighbour (uncredited) See fewer	Dom Hemingway (2013)
Jack Steed Sontaran (uncredited) Sontaran (uncredited) See fewer	Doctor Who Confidential (2005)