Washed-up Richard Thorncroft (Julian Barratt) peaked with hit 1980s detective show Mindhorn, playing the titular Isle of Man sleuth with a robotic eye that . MINDHORN Official Trailer (2017) Julian Barratt Comedy Movie HD SUBSCRIBE for more Movie Trailers HERE: PLOT: A former secret . Washed-up Richard Thorncroft (Julian Barratt) peaked with hit 1980s detective show Mindhorn, playing the titular Isle of Man sleuth with a robotic eye that . A has-been actor best known for playing the title character in the 1980s detective series Mindhorn must work with the police when a serial killer says that he will .