Guest Stars Billie Piper as Rose Tyler Bernard Cribbins as Wilfred Mott Jacqueline King as Sylvia Noble Lachele Carl as Trinity Wells Clive Standen as Private Harris Ryan Sampson as Luke Rattigan Christian Cooke as Ross Jenkins Rupert Holliday-Evans as Colonel Mace Dan Starkey as Commander Skorr Christopher Ryan as General Staal Wesley Theobald as Private Gray Kirsty Wark as Herself Bridget Hodson as Captain Marion Price Meryl Fernandes as Female Student Leeshon Alexander as Male Student Uncredited Freema Agyeman as Martha Clone Jeanie Gold as Neighbour