Mulder and Scully rush to find an on-the-run William, while the Cigarette Smoking Man pushes forward with his ultimate plan in the all-new "My Struggle IV" season finale episode of THE X-FILES airing Wednesday, March 21 (8:00-9:00 PM ET/PT) on FOX. (XF-1110) (TV-14 L, V)
Episode Written and Directed by Series Creator Chris Carter.
Cast: David Duchovny as Fox Mulder; Gillian Anderson as Dana Scully; Mitch Pileggi as Walter Skinner
Guest Cast: William B. Davis as Cigarette Smoking Man; Miles Robbins as William / Jackson Van De Kamp; Annabeth Gish as Monica Reyes; James Pickens Jr. as Alvin Kersh; Joel McHale as Tad O'Malley; Barbara Hershey as Erika Price; AC Peterson as Mr. Y; Sarah Jeffery as Brianna Stapleton; Madeleine Arthur as Sarah Arthur; West Duchovny as Maddy.
Guest Cast: William B. Davis as Cigarette Smoking Man; Miles Robbins as William / Jackson Van De Kamp; Annabeth Gish as Monica Reyes; James Pickens Jr. as Alvin Kersh; Joel McHale as Tad O'Malley; Barbara Hershey as Erika Price; AC Peterson as Mr. Y; Sarah Jeffery as Brianna Stapleton; Madeleine Arthur as Sarah Arthur; West Duchovny as Maddy.
Source: Spoiler TV