David Tennant The Doctor Actor Billie Piper Rose Tylor Actor Camille Coduri Jackie Tyler Guest Star Shaun Dingwall Pete Tyler Guest Star Noel Clarke Mickey Smith Actor Andrew Hayden Smith Jake Simmmonds Guest Star Raji James Dr. Rajesh Singh Guest Star Tracy-Ann Oberman Guest Star Paul Kasey Guest Star Barnaby Edwards Guest Star Nicholas Pegg Guest Star Stuart Crossman Guest Star Anthony Spargo Guest Star Dan Barratt Guest Star Nicholas Briggs Guest Voice Graeme Harper Director Russell T. Davies Writer, Executive Producer Julie Gardner Executive Producer