Elisabeth Sladen Sarah Jane Smith Actor Tommy Knight Luke Smith Actor Daniel Anthony Clyde Langer Actor Tony Boncza Actor Alexander Armstrong Actor Donald Sumpter Guest Star David Tennant Actor Anjli Mohindra Actor Ace Bhatti Actor Mina Anwar Actor Suranne Jones Guest Star Liza Sadovy Actor Paul Marc Davis Actor John Leeson Actor Russell T. Davies Writer, Executive Producer Julie Gardner Executive Producer Alice Troughton Director Joss Agnew Director Phil Ford Writer Gareth Roberts Writer Rupert Laight Writer Joseph Lidster Writer