During an appearance on the Late Show With David Letterman on Tuesday, Duchovny was asked which original characters we can look forward to seeing again, at which point the beans were spilled:
“There’s Gillian and I, we’re original. Mitch Pileggi will come back, and the cigarette-smoking man — if that means anything to anyone — will be coming back.”
William B. Davis’ “cigarette-smoking man,” as you may recall, was Mulder’s arch nemesis, revealed in the show’s sixth season to be named C.G.B. Spender. Pileggi, meanwhile, played FBI Assistant Director Walter Skinner, who was included in TVLine’s gallery of 16 things we need to see in The X-Files reboot.
UPDATE: Pileggi, at least, is confirmed for the revival, per an April 20 tweet:
Hit PLAY on Duchovny’s interview, then drop a comment: What do you hope to see when The X-Files makes its long-awaited return to Fox?