Alex Krycek is a fictional character in the Fox science fiction-supernatural television series The X-Files. Alex Krycek is played by Nicholas Lea. He...

in 1999. Alex Krycek is portrayed by Nicholas Lea. Krycek is a Russian-American who makes his first appearance in "Sleepless", where Krycek, a young FBI...

features the first on-screen appearances of recurring characters X and Alex Krycek, who are central to the show's continuity. Its closing scene also sets...

several recurring characters—X (Steven Williams), an informant to Mulder; Alex Krycek (Nicholas Lea), Mulder's partner-turned-enemy; and the Alien Bounty Hunter...

Herbert; June 22, 1962) is a Canadian actor known for his portrayal of Alex Krycek on The X-Files and of Tom Foss on Kyle XY. Lea was born in New Westminster...

an effective vaccine stolen from a Russian shadow-government group by Alex Krycek. In the following season, Covarrubias is discovered by FBI agent Jeffrey...

her office, Mulder finds Alex Krycek (Nicholas Lea) waiting inside, having been selling the contents of the digital tape. Krycek escapes through a window...

the same man. After Mulder catches Alex Krycek (Nicholas Lea) in Hong Kong, the black oil passes itself to Krycek. Scully determines that the submarine...

tests—including Scully's soon-to-be-born baby. Upon hearing information from Alex Krycek (Nicholas Lea), the men reluctantly call upon him as well as Monica Reyes...

Mulder that he is "too close" to the case to be involved, and orders Alex Krycek (Nicholas Lea) to escort him home. Meanwhile, Barry speeds down the Blue...

is revealed to be Alex Krycek (Nicholas Lea), whom the terrorists released from the missile silo where he had been trapped. Krycek has turned against...

Assistant Director Walter Skinner (Mitch Pileggi) is threatened by Alex Krycek (Nicholas Lea) that he must kill Scully's baby before it is born. Billy...

help from several people, including a reformed Kersh and the ghost of Alex Krycek, Mulder breaks out of prison and escapes with Scully. As of the series...

this episode, Mulder returns from Hong Kong, having found rogue agent Alex Krycek (Nicholas Lea) while investigating a mysterious mind-altering black oil...

forced to take orders, this time from Alex Krycek. He is covertly infected with nanotechnology, which gives Krycek the leverage to control him. Two years...

is introduced. Mulder, Doggett, Walter Skinner (Mitch Pileggi), and Alex Krycek (Nicholas Lea) help Scully escape from Billy Miles with Special Agent...

Holden) and Alex Krycek (Nicholas Lea), in an attempt to revive the government conspiracy. With Covarrubias unwilling to assist, and Krycek seeking revenge...

truth about everything. However, Bill is shot and mortally wounded by Alex Krycek. When Mulder contacts Scully, she tells him to flee the scene. After...

the 1998 feature film. Alex Krycek is portrayed by Nicholas Lea (seasons 5–9; recurring seasons 2–3; guest season 4): Krycek is a Russian-American, the...

other government agencies. Prominent Men in Black agents included X, Alex Krycek, the Crew Cut Man, and Quiet Willy. The leader of the Syndicate was a...

Elsewhere in Canada, the Smoking Man (William B. Davis) is found by Alex Krycek (Nicholas Lea). At FBI Headquarters, Walter Skinner (Mitch Pileggi) reveals...

Davis)—on his deathbed—reunites with Marita Covarrubias (Laurie Holden) and Alex Krycek in an attempt to revive the project[clarification needed]. "Requiem"...

hallway, Alex Krycek (Nicholas Lea) activates nanobots that he had previously placed in Skinner's bloodstream as blackmail. In an elevator, Krycek reveals...

mysteriously poisoned by a nanorobot infection. The culprit is revealed to be Alex Krycek (Nicholas Lea), a rogue FBI agent who formerly worked for the Syndicate...

captivity, Mulder receives mysterious visits from two phantoms of his past: Alex Krycek (Nicholas Lea) and X (Steven Williams). Meanwhile, Scully and Skinner...

Blessing Way", "Paper Clip", and "Christmas Carol"). Coincidentally, Alex Krycek, the recurring antagonist responsible for Melissa's death, was played...

peacekeepers of the area. She runs into Alex Krycek (Nicholas Lea), who has caught Dmitri, the other Kazakh boy. Krycek tells Marita to tell her superiors...

imprisoned in a gulag in Krasnoyarsk, Fox Mulder (David Duchovny) learns that Alex Krycek (Nicholas Lea) is a double agent working for the Russian taskmasters...

clerks hostage along with Dr. Hakkie. Fox Mulder (David Duchovny) and Alex Krycek (Nicholas Lea) are summoned to the ensuing hostage situation by Agent...

appearance by Nicholas Lea, who would later appear in the recurring role of Alex Krycek. The episode is a "Monster-of-the-Week" story, a stand-alone plot which...