The Doctor takes Martha to the planet New Earth in the future where the streets are ruled by sinister pharmacists.
Director:
Richard Clark
Cast:
David Tennant
Freema Agyeman
Ardal O'Hanlon
Anna Hope
Travis Oliver
Lenora Crichlow
Daisy Lewis
Jennifer Hennessy
Bridget Turner
Erika Macleod
Georgine Anderson
Simon Pearsall
Nicholas Boulton
Judy Norman
Graham Padden
Lucy Davenport
Tom Edden
Natasha Williams
Gayle Telfer Stevens
Struan Rodger