Starring John Slater, Cecile Chevreau, Molly Hamley-Clifford, Hugh Morton, Jack May Directed by Ronald Haines Print: black/white Runtime: 59 min. Genre: drama Print Quality: B Released in Britain in 1943, Deadlock made the American rounds in the years following the war. John Slater plays twin brothers, one of whom is serving a life sentence in prison. The two brothers contrive to switch places, with the bad twin roaming free while the good twin wastes away in jail. This reversal of affairs naturally has a profound effect on the women in both twin's lives. Vestiges of the plot line of Deadlock can be found in the 1957 Jack Palance vehicle House of Numbers.