'Criminal Minds': 10 Guest Stars You Definitely Forgot Were on the Show
Mark Hamill
Before Disney asked Mark Hamill to return to Luke Skywalker for the Star Wars sequel trilogy, the actor took on a character who was definitely strong in the Dark Side. He played the serial killer John Curtis in the 2013 episodes "Brothers Hotchner" and "The Replicator." Curtis worked from the inside of the FBI to torment agents, even killing BAU Section Chief Erin Strauss (Jayne Atkinson).
prevnextBen Savage
Ben Savage took a break from starring on the Boy Meets World sequel series Girl Meets World to appear in the Criminal Minds episode "Nelson's Sparrow." He played a Young Jason Gideon, the character played by Mandy Patinkin in the first three seasons. Although Patinkin was long gone by the time "Nelson's Sparrow" aired in 2015, Gideon was frequently mentioned on the show after he left.
prevnextFrankie Muniz
Nothing helps an actor move away from a comedic persona than a role on a crime drama. Malcolm in the Middle star Frankie Muniz took a crack at dram in the Criminal Minds episode "True Night," which aired just a year after his hit Fox sitcom ended. Muniz played a graphic novel author who killed several people after his pregnant fiancee was killed.
prevnextJames Van Der Beek
Dawson's Creek star James Van Der Beek showed off his skills as the disturbing killer Tobias Hankel in the 2007 episodes "The Big Game" and "Revelations." Van Der Beek has enjoyed making appearances in crime dramas, as he also popped up in Law & Order: Criminal Intent in 2011 and Law & Order: Special Victims Unit in 2012. He also had a leading role in the short-lived CSI: Cyber.
prevnextCameron Monaghan
Long before Cameron Monaghan starred as Jerome/Jeremiah Valeska on Gotham and played Ian Gallagher in Shameless, he appeared on Criminal Minds. At 13 years old, he starred in the episode "The Boogeyman" as Jeffrey Charles. Coincidentally, Monaghan appeared opposite Muniz on Malcolm in the Middle in 2004-2006.
prevnextAaron Paul
Before Aaron Paul earned his breakthrough role as Jesse Pinkman on Breaking Bad, Paul starred in the Criminal Minds episode "The Popular Kids." In the 2005 episode, he played Michael Zizzo, a goth-punk kid the BAU named as a suspect during an investigation of killings and kidnappings done by Satanic worshippers. Paul also appeared in Bones and Ghost Whisperer in 2006.
prevnextLuke Perry
The late Luke Perry was known for playing a bad boy on Beverly Hills, 90210, but he played a totally different type of bad boy in the 2008 episode "Minimal Loss." He starred as Benjamin Cyrus, a cult leader and statutory-rapist-turned-attempted-murderer. Although Perry never played the character again, Cyrus was mentioned in the 300th episode.
prevnextJason Alexander
In 2008, Seinfeld star Jason Alexander played the villainous Henry Grace in "Masterpiece." Grace was a narcissist whose brother was a serial killer caught by Rossi. He killed seven people himself and abducted five others. He was convinced he was better than everyone else, and challenged the BAU to find his victims.
prevnextBrad Dourif
Bad Dourif has played countless great characters in his career, from Billy Bibbit in One Flew Over The Cuckoo's Nest to Doc Cochran in Deadwood. In 2012, he stopped by Criminal Minds to play a particularly twisted killer in "The Lesson." His character, Adam Rain, turned his victims into puppets. He killed three people and abducted four others.
prevnextJane Lynch
Jane Lynch had a recurring role as Spencer's mother Dana Reid, who has shown early signs of dementia. She appeared in eight episodes, most recently 2017's "Red Light." Lynch was last seen in The Marvelous Mrs. Maisel and hosts NBC's Hollywood Game Night.
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