David Tennant The Doctor Actor Catherine Tate Donna Noble Actor Freema Agyeman Martha Jones Guest Star Christopher Ryan General Staal Guest Star Clive Standen Private Harris Guest Star Bernard Cribbins Wilfred Mott Guest Star Jacqueline King Sylvia Noble Guest Star Ryan Sampson Guest Star Rupert Holliday-Evans Guest Star Dan Starkey Guest Star Eleanor Matsuura Guest Star Wesley Theobald Guest Star Christian Cooke Guest Star Radoslaw Kaim Guest Star Elizabeth Rider Guest Voice Douglas Mackinnon Director Helen Raynor Writer Russell T. Davies Executive Producer Julie Gardner Executive Producer Phil Collinson Executive Producer