The play was prepared for transmission on British television twice in the 1960s. The first version, directed by Charles Jarrott, was shot in May 1963 for the highly regarded "Armchair Theatre" anthology series, but was never transmitted, although the recording has survived. After the rights on the script had lapsed, another production for the BBC 2's "Theatre 625" strand was made in 1967, with Fugard's collaboration. Also surviving, it stars the Jamaican actor Charles Hyatt as Zach and Fugard himself again playing Morris; Fugard was pleased with the results: Back in S'Kop after five weeks in London for BBC TV production of "The Blood Knot". Myself as Morrie, with Charles Hyatt as Zach. Robin Midgley directing. Midgley reduced the play to 90 minutes...Midgley did manage to dig up things that had been missed in all the other productions. Most exciting was his treatment of the letter writing scene – "Address her" – which he turned into an essay in literacy...Zach sweating as the words clot in his mouth...