The Oblong Box (1969)

Evil lurks in the gloomy house at Markham Manor where a deranged Sir Edward is the chained prisoner of his brother Julian. When Sir Edward escapes, he embarks on a monstrous killing spree, determined to seek revenge on all those whom he feels have double-crossed him.
Gordon Hessler
Vincent Price, Christopher Lee, Rupert Davies, Uta Levka, Sally Geeson, Alister Williamson, Peter Arne, Hilary Dwyer, Maxwell Shaw, Carl Rigg, Harry Baird, Godfrey James, James Mellor, John Barrie, Ivor Dean, Danny Daniels, Michael Balfour, Hira Talfrey, John Wentworth, Betty Woolfe, Colin Jeavons, Martin Wyldeck, Barbara Kellerman, Martin Terry, Anne Clune, Jackie Noble, Ann Barrass, Jan Rossini, Zeph Gladstone, Tara Fernando, Tony Thawnton, Anthony Bailey, Richard Cornish, Andreas Malandrinos, Hedger Wallace, Bill Cummings, Victor Harrington, Arthur Howell, Eddie Powell, Nick Tate, Reg Thomason, Harold Coyne, Ina Clare, Sean Barry-Weske
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