In addition to regular cast members Peter Capaldi (The Doctor), Pearl Mackie (Bill), and Matt Lucas (Nardole), this episode included the following: Nicholas Burns (Sutcliffe), Asiatu Koroma (Kitty), Peter Singh (Pie-man), Simon Ludders (Overseer), Tomi May (Dowell), Austin Taylor (Spider), Ellie Shenker (Dot), Kishaina Thiruselvan (Harriet), Badger Skelton (Perry), and Guillaume Rivaud (Georgian Gentleman).
