Cell 13: Professor Van Dusen, the ‘Thinking Machine’, boasts that he can think his way out of a prison cell. When he is locked up he is given the chance to prove that he can escape by the power of his mind alone.
Cast: Douglas Wilmer (Van Dusen), Michael Gough (Governor), Ray Smith (Chief Prison Officer), Clifford Rose (Ransome), Donald Pickering (Fielding), Nicholas Courtney (Hutchinson Hatch)
Writer: Julian Bond / Story: Jacques Futrelle / Producer and Director: Reginald Collin
Original Airdate: 12 Feb 1973 on ITV
Series: The Rivals Of Sherlock Holmes Season 2 Episode 3