Ncuti Gatwa - The Doctor
Millie Gibson - Ruby Sunday
Varada Sethu - Belinda Chandra
Jonny Green - Alan Budd
Max Parker - Manny
Anita Dobson - Mrs. Flood
Thalia Dudek - Kirby Blake
Stefan Haines - Jeffin Kunjumon
Belinda Owusu - Receptionist
Tom Storey - Tombo
Stephen Love - Robot 1
Robert Strange - Robot 2
Nicholas Briggs - Voice of the Robots
Evelyn Miller - Sasha 55
Charles Sandford - Robot 3
Lucas Edwards - Robot 4
Caleb Hughes - Scoley
Nadine Higgin - Shago
William Ellis - Prime Minister