 It then became a television play with Ian Richardson playing Mortimer, Tim Good the young Mortimer, and Mark Dignam his blind barrister father.Mortimer then adapted it for the stage, and it appeared at the Haymarket Theatre in 1971 with Alec Guinness as the father and Jeremy Brett as the son.Mortimer later (1982) turned the play back into a film for television (produced by Thames Television for ITV) in which Laurence Olivier played the father, Alan Bates the son, Elizabeth Sellars the mother and Jane Asher Elizabeth.