Doctor Who S7, E6

The further adventures in time and space of the alien adventurer known as the Doctor and their companions from planet Earth.

Cast:Jodie Whittaker , Peter Capaldi , Pearl Mackie , Matt Smith , David Tennant , Nicholas Briggs , Jon Davey , Jenna Coleman , Paul Kasey , Karen Gillan , Billie Piper , Mandip Gill , Simon Carew , Arthur Darvill , Bradley Walsh , Barnaby Edwards , Tosin Cole , Ruari Mears