The X-Files

: See also The X-Files (books) and The X Files Movie

Main cast

Format: Actor's real name - Character name (Years on show)

~ ~ ~ ~ ~ ~ ~ ~ ~ ~

• David Duchovny - Agent Fox William Mulder (1993–2001, 2002)
• Gillian Anderson - Agent Dana Katherine Scully (1993–2002)
• Mitch Pileggi - Assistant Director Walter S. Skinner (1994–2002) - Pileggi was credited as 'Also Starring' until the final season when he was added to the main credits.
• William B. Davis - C.G.B. Spender, The Cigarette Smoking Man (1993–2000, 2002) - Davis was credited as 'Also Starring' from season 3 through to season 7
• Nicholas Lea - Alex Krycek (1994–1996, 1998–2002) - Lea was credited as 'Also Starring' from season 5
• Chris Owens - Jeffrey Spender (1998–1999, 2002) - Owens was credited as 'Also Starring' He also guest starred as the Young Cigarette Smoking Man in 1996 and 1997, and played The Great Mutato in the 1997 episode 'The Post-Modern Prometheus'
• James Pickens, Jr. - Assistant/Deputy Director Alvin Kersh (1998–2002) - Pickens was credited as 'Also Starring' during the final season.
• Robert Patrick - John Doggett (2000–2002)
• Annabeth Gish - Monica Reyes (2001–2002) - Gish was credited as 'Also Starring' in season 8, before being added to the credits