David Duchovny, who played the enigmatic Agent Fox Mulder, was 37 at the time of the film’s release. His portrayal of the determined FBI agent, obsessed with uncovering the truth behind his sister’s mysterious disappearance and the existence of extraterrestrials, remains iconic. Now at 64, Duchovny has expanded his career to include directing and writing, showcasing his versatility beyond the “X-Files” universe.