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)
Robert Patrick John Doggett John Doggett See fewer	Terminator 2: Judgment Day (1991)
Nicholas Lea Alex Krycek Alex Krycek See fewer	Vertical Limit (2000)
Annabeth Gish Monica Reyes Monica Reyes See fewer	Mystic Pizza (1988)
Mitch Pileggi Walter Skinner Walter Skinner See fewer	Basic Instinct (1992)
Frances Fisher Lizzy Gill Lizzy Gill See fewer	Titanic (1997)
Jay Acovone Duffy Haskell Duffy Haskell See fewer	Lethal Weapon (2016)
Kirk B.R. Woller Agent Gene Crane Agent Gene Crane See fewer	The Chosen (2017)
Sheila Larken Margaret Scully Margaret Scully See fewer	The X-Files (1993)
Zachary Ansley Billy Miles Billy Miles See fewer	This Boy's Life (1993)
Steven Anderson Dr. James Parenti Dr. James Parenti See fewer	When a Stranger Calls (1979)
David Purdham Dr. Lev Dr. Lev See fewer	Because I Said So (2007)
Denise Crosby Dr. Mary Speake Dr. Mary Speake See fewer	Pet Sematary (1989)
Arlene Warren 1st Woman Party-Goer (as Arlene Pileggi) 1st Woman Party-Goer (as Arlene Pileggi) See fewer	The X-Files (1993)
Karon Kearney 2nd Woman Party-Goer 2nd Woman Party-Goer See fewer	Monk (2002)