Doctor Who The Sontaran Stratagem (Season 4, Episode 4)
TV-PG
TV Episode | 45 min | Adventure, Drama, Sci-Fi

Primary photo for The Sontaran Stratagem

Doctor Who

The Sontaran Stratagem (Season 4, Episode 4)

TV-PG

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

UNIT's newest recruit Martha Jones enlists The Doctor's help to investigate kid genius Luke Rattigan and his ATMOS system that is used in every car on Earth.

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Cast	+ Add Cast
23 cast members

Name	Known for
David Tennant The Doctor The Doctor See fewer	Fright Night (2011)
Catherine Tate Donna Noble Donna Noble See fewer	The Catherine Tate Show (2004)
Freema Agyeman Martha Jones Martha Jones See fewer	Doctor Who (2005)
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 (as Rupert Holliday Evans) Colonel Mace (as Rupert Holliday Evans) 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)
Eleanor Matsuura Jo Nakashima Jo Nakashima See fewer	Wonder Woman (2017)
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)
Radoslaw Kaim Worker (as Rad Kaim) Worker (as Rad Kaim) See fewer	Capital (2015)
Elizabeth Rider Atmos Voice (voice) (as Elizabeth Ryder) Atmos Voice (voice) (as Elizabeth Ryder) See fewer	Line of Duty (2012)
David A. Bowen UNIT Soldier (uncredited) UNIT Soldier (uncredited) See fewer	Gone Fishing (I) (2008)
Jon Davey Worker in Corridor (uncredited) Worker in Corridor (uncredited) See fewer	Doctor Who (2005)
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)
Biddy Hodson Captain Price (uncredited) Captain Price (uncredited) See fewer	Hellboy (2004)
Danielle Kingston U.N.I.T. Soldier (uncredited) U.N.I.T. Soldier (uncredited) See fewer	Invasion of the Not Quite Dead (2022)
Ruari Mears Clone - Developing Stage (uncredited) Clone - Developing Stage (uncredited) See fewer	The Sarah Jane Adventures (2007)
Andrew Slade Atmos Worker 1 (uncredited) Atmos Worker 1 (uncredited) See fewer	Every Shadow