Guest Stars Mark Williams as Brian Williams David Mitchell voices Robot 1 Sunetra Sarker as Indira Riann Steele as Queen Nefertiti Rupert Graves as John Riddell David Bradley as Solomon Robert Webb voices Robot 2 Richard Hope as Bleytal Rudi Dharmalingam as ISA Worker Noel Byrne as Robot 1 Richard Garaghty as Robot 2