Name	Known for
David Duchovny Fox Mulder Fox Mulder See fewer	The X-Files (1993)
Gillian Anderson Dana Scully Dana Scully See fewer	The X-Files (1993)
Mitch Pileggi Walter Skinner Walter Skinner See fewer	Basic Instinct (1992)
Barbara Hershey Erika Price Erika Price See fewer	Black Swan (2010)
Joel McHale Tad O'Malley Tad O'Malley See fewer	Community (2009)
Annabeth Gish Monica Reyes Monica Reyes See fewer	Mystic Pizza (1988)
Miles Robbins Jackson Van De Kamp / William Jackson Van De Kamp / William See fewer	Blockers (2018)
Madeleine Arthur Sarah Turner Sarah Turner See fewer	Big Eyes (I) (2014)
Sarah Jeffery Brianna Stapleton Brianna Stapleton See fewer	Across the Line (2015)
Ben Cotton Mr. Paulsen Mr. Paulsen See fewer	The Chronicles of Riddick (2004)
Zak Santiago Mr. Green Mr. Green See fewer	Human Cargo (2004)
A.C. Peterson Mr. Y Mr. Y See fewer	Narc (2002)
James Pickens Jr. Alvin Kersh Alvin Kersh See fewer	Grey's Anatomy (2005)
William B. Davis Cigarette Smoking Man Cigarette Smoking Man See fewer	The X-Files (1993)
West Duchovny Maddy Maddy See fewer	Vegas High (2020)
Mark Acheson Trucker Trucker See fewer	Elf (2003)
Joseph Patrick Finn Watching Man Watching Man See fewer	The Flash (2014)
Jodi Pongratz Female Attendant Female Attendant See fewer	The X-Files (1993)
Henry Mah Night Manager Night Manager See fewer	Scary Movie 4 (2006)
Rogan Christopher BDU Team Leader BDU Team Leader See fewer	Pregnant at 17 (2016)
Thomas Nicholson BDU Soldier BDU Soldier See fewer	Yellowjackets (2021)
Gerry Rousseau Homeless Man Homeless Man See fewer	Things We Lost in the Fire (2007)
Niobe Martinez Homeless Woman Homeless Woman See fewer	The X-Files (1993)
Bentley Hixson William - 5 Years William - 5 Years See fewer	To All the Boys: Always and Forever (2021)
Austin Dunn William - 15 Years William - 15 Years See fewer	2012 (I) (2009)
Chase Nicholson William (11 Years) William (11 Years) See fewer	The Man in the High Castle (2015)
Cole Lindsay Jared Marriott Jared Marriott See fewer	The X-Files (1993)
Keith Arbuthnot Ghouli Ghouli See fewer	Child's Play (2019)
Mike Desabrais BDU Soldier in Motel (uncredited) BDU Soldier in Motel (uncredited) See fewer	DC's Legends of Tomorrow (2016)
Sean Kohnke BDU Soldier in hangar (uncredited) BDU Soldier in hangar (uncredited) See fewer	The Predator (2018)
David Neale William's Psychologist (uncredited) William's Psychologist (uncredited) See fewer	Scary Movie (2000)
Jeff Sanca Erika's Soldier (uncredited) Erika's Soldier (uncredited) See fewer	War for the Planet of the Apes (2017)