Frank Spotnitz has revealed the greatest challenge behind filming The Man In The High Castle: creating the world of Nazi-occupied American in the sixties.

The adaptation of the Philip K Dick novel tells the counter-factual history of what might have happened if the Axis powers had won World War II. It is set in occupied America in 1962, where totalitarian rule means that every detail of daily life is different.

Frank, the show’s executive producer and writer, said: “I did feel an enormous amount of pressure in the pilot to make sure we made the right decisions about establishing this world, because I knew we’d have to live with this world for the rest of the television series.

“So there were probably a thousand choices to be made about cars, wardrobe, music, signage – everything. But after that it has just been a great joy to follow the characters through this world.”

Rupert Evans, who plays Frank Frink, said the pilot episode had been important in getting the series commissioned by Amazon Prime – and in establishing the world of the series.

The Man in the High Castle star Rupert Evans
The Man In The High Castle star Rupert Evans (Charles Sykes/Invision)

“Like all pilots you’re setting up something,” he explained. “It creates the world in which we’re living, and living in occupied America in 1962 in this slightly different type of 1962, it’s not the real one, so Frank (Spotnitz) had to make many many different choices.

“What people looked like, what was fashionable, what kitchens looked like, what cars looked like, everything. Those choices had to be made and I think the pilot sets up the world, and from there the characters have then gone on from episode one. So I think the pilot achieved a great thing which was no mean feat.”

Frank Spotnitz
Frank Spotnitz (Charles Sykes/Invision)

Frank will soon see his most famous creation, The X-Files, come back to TV – and says he “cannot wait”.

“I am so excited,” he said. “That is the only bitter sweet thing, is that we were doing Man In The High Castle literally at the exact same time as the X Files, because I would have loved to have been part of it.”

And Rupert revealed that the two series were at one point filming in the same town – so close that he crashed the X Files film set. He said: “I actually went into their trailers, thinking it was our trailers, and I got turned away.”

The X-Files
David Duchovny and Gillian Anderson as Mulder and Scully in The X-Files (Twentieth Century Fox)