Jason King (TV series) the X-Men comics, the character of Jason Wyngarde (aka Mastermind) was partially inspired by Jason King and Peter Wyngarde. Mastermind had first appeared in the 1960s, but took on the appearance and identity of Jason Wyngarde in the build-up to the X-Men's first confrontation with the Hellfire Club in the late 1970s. Wyngarde had played the leader of another Hellfire club in "A Touch of Brimstone", an episode of the popular TV series "The Avengers", in which Diana Rigg appeared in a leather costume that Jean Grey adopted as the Hellfire Club's Black Queen. He is also one of the
A Town Called Mercy pacifist and he would need "the right sort of emotional journey". Whithouse preferred the cyborg villain to be three-dimensional and sympathetic, which would require it to have a "living consciousness" rather than simply be a "soulless automaton". He wanted its look to be reminiscent of Frankenstein's monster, and later called the design "fantastic". It took about three and a half hours for Andrew Brooke to have all the make-up applied. Due to the costume, Brooke had to act with just his left eye. Smith had praise for guest actors Ben Browder, who he said "[made] a good cowboy" with "that