It stars John Ronane, Ann Bell, Julian Curry, Glynn Edwards and Joan Miller.
The film was adapted for television by Giles Cooper, was produced by Douglas Allen, and was directed by Rex Tucker.
The theatre arts professor Thomas S. Hischak called the 1965 adaptation "the most complete" and wrote, "The cast of characters, little known outside the United Kingdom, were adequate even if none looked or sounded remotely Spanish.
"[4] The Stage and Television Today critic Bill Edmund wrote, "This four-part serial ended with the blowing up of the bridge, leaving Robert Jordan (John Ronane)—the blower-upper—lying dead.
The whole episode had a musical comedy or operatic flavour and I half expected all concerned to take time off from fighting and sing a song.