The 39-year-old actress started acting in the TV version of the show back in 2002, and she herself admits to have suffered more during the more physically testing moments of their latest adventure, than Duchovny did.
"It was hard work, I'm too old for this," the Daily Express quoted Gillian, as having complained about her own performance in the movie which will hit the cinemas this August. "David's in the best shape of his life and did most of the work. He's climbing and jumping off cliffs. I was more exhausted by the end of it than he was. I'm a wimp," she added.