Guest Stars Alex Kingston as Professor River Song Steve Pemberton as Strackman Lux O.T. Fagbenle as Other Dave Mark Dexter as Dad Colin Salmon as Dr. Moon Eve Newton as The Girl Talulah Riley as Miss Evangelista Jessika Williams as Anita Harry Peacock as Proper Dave Jason Pitt as Lee Eloise Rakic-Platt as Ella Alex Midwood as Joshua Jonathan Reuben as Man