David Tennant The Doctor Actor John Simm The Master Guest Star Bernard Cribbins Wilfred Mott Guest Star Catherine Tate Donna Noble Actor Timothy Dalton Lord President Guest Star Claire Bloom The Woman Guest Star Jacqueline King Sylvia Noble Guest Star June Whitfield Guest Star David Harewood Guest Star Tracy Ifeachor Guest Star Sinéad Keenan Guest Star Alexandra Moen Guest Star Karl Collins Guest Star Teresa Banham Guest Star Euros Lyn Director Russell T. Davies Writer, Executive Producer Julie Gardner Executive Producer