“Benedict was playing Maximillian Clarke, a paranoid hypochondriac who’s so afraid of germs that he lives inside a sealed suit that filters all the bacteria out of his air and food. Isabelle Vincey, the heroine, finds him surviving in an igloo on the Dark Side of the Earth and he joins her on her quest to start the world turning again.
Benedict was a real trooper on the shoot. He was trailing cables and pipes, carrying all the weight of the suit, blinded by the fogging visor and deafened by the compressor that kept the suit inflated. Every time Katie took his helmet off he was sweating buckets. But he never complained. (By contrast, after he’d left – to go to the BBC for the first read-through of Sherlock – we put crew member AJ Nicol in the suit for five minutes for a wide shot and he came out swearing and cursing and moaning.)”
— Neil Oseman, the writer-director of The Dark Side of the Earth, on Benedict working on set