Cancerman Remembers the X-FilesRichard welcomes actor William B. Davis, who portrayed one of the most iconic villains in television history. Davis played chain-smoking Cigarette Man, also known as Cancer Man in the long running television series, The X-Files Davis’ character was the arch nemesis of FBI agent Fox Mulder from 1993 to 2002. Although he utters only four audible words in the entire first season of the show, the Smoking Man eventually develops into the series’ primary antagonist. In his early appearances, he is seen in the offices of Division Chief Scott Blevins and Assistant Director Walter Skinner, Mulder and his partner Dana Scully’s supervisors. He works for a government conspiracy only known as the Syndicate, who are hiding the truth of alien existence and their plan to colonize Earth.