The Sontaran Stratagem

Written by Helen Raynor

Martha Jones summons the Doctor back to modern-day Earth, but an old enemy lies in wait. With the mysterious ATMOS devices spreading across the world, Donna discovers that even her own family is not safe from the alien threat — but is it too late to save them?

Cast & Crew

The Doctor: David Tennant

Donna Noble: Catherine Tate

Martha Jones: Freema Agyeman

Wilfred Mott: Bernard Cribbins

Sylvia Noble: Jacqueline King

Luke Rattigan: Ryan Sampson

Colonel Mace: Rupert Holliday Evans

General Staal: Christopher Ryan

Commander Skorr: Dan Starkey

Ross Jenkins: Christian Cooke

Director: Douglas Mackinnon

Producer: Susie Liggat