16 Celebs You Totally Forgot Guest-Starred on "Criminal Minds"

With 15 seasons, two spin-offs, and a reboot on the way, the Criminal Minds franchise is solidified in pop culture — and everyone seems to have been a guest star on one of the shows at some point.

Odds are, you definitely didn't forget about mega stars like Aubrey Plaza, Star Wars's Mark Hamill, and Frankie Muniz guest-starring on the crime series, but you may have forgotten about these other celebs' appearances.

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Darren Barnet

Season 12, Episode 20 – "Unforgettable"

Three years before he starred as Paxton on Never Have I Ever, Darren appeared on the crime show as a kid forced to visit his federal government agent dad who's dying.

Evan Peters

Season 5, Episode 16 – "Mosley Lane"

The DAHMER - Monster: The Jeffrey Dahmer Story star played a kidnapped kid who was miraculously reunited with his family several years after his abduction.

Sydney Sweeney

Season 5, Episode 8 – "Outfoxed"

Cassie from Euphoria looked unrecognizable on this 2009 episode about a family annihilator.

Trevor Jackson

Season 8, Episode 17 – "The Gathering"

Aaron from Grown-ish played a teen who attacked his mother and wrote a creepy blog about a girl who lived in his apartment building.

Matt Cornett

Season 12, Episode 5 – "The Anti-Terror Squad"

The High School Musical: The Musical: The Series star played a bully who was eventually murdered by the kid he tormented.

Joey Bragg

Season 12, Episode 5 – "The Anti-Terror Squad"

The Liv and Maddie star played the murderer on this episode. His bullied character was the person who murdered Matt Cornett's character.

Joshua Rush

Season 5, Episode 8 – "Outfoxed"

Joshua was on the same episode as Sydney Sweeney, though they didn't have any scenes together. He also played a victim of a family annihilator.

Asher Angel

Season 1, Episode 8 – "De Los Inocentes"

Joshua's Andi Mack co-star appeared on one of the Criminal Minds spin-offs, Beyond Borders, playing a boy whose family was vacationing in Mexico when the mother was killed.

Mary Mouser

Samantha from Cobra Kai played the daughter of a murdered woman whose killer was actually the woman's brother.

Season 10, Episode 10 – "Amelia Porter"

Brianne Howey

Season 9, Episode 1 – "The Inspiration" and Season 9, Episode 2 – "The Inspired"

The Ginny & Georgia star was on the two-part season nine premiere, playing the ex-girlfriend and a victim of a serial killer.

Jake Thomas

Season 6, Episode 7 – "Middle Man"

After his Disney Channel days, Jake — best known as Matt McGuire on Lizzie McGuire — played a criminal who helped kidnap and murder women. He talked about the experience on TikTok, pointing out that YouTuber iJustine played one of his victims on the episode.

Ambyr Childers

Season 1, Episode 11 – "The Ballad of Nick and Nat"

Like Asher Angel, Candace from You also guest-starred on the spin-off, Beyond Borders, playing a spree killer.

Shane Paul McGhie

Season 13, Episode 5 – "Lucky Strikes"

Landon from the After franchise was one of four teens who discovered the body of a murdered woman hidden in a bathroom stall.

Elle Fanning

Season 2, Episode 6 – "The Boogeyman" and Season 2, Episode 23 – "Now Way Out, Part II: The Evilution of Frank"

The younger Fanning sister played a kid who was nearly murdered by her classmate. She reprised her role later that season.

Cameron Monaghan

Season 2, Episode 6 – "The Boogeyman"

The Shameless star played the kid who nearly murdered Elle Fanning's character.

Justin Prentice

Season 5, Episode 13 – "Risky Business"

The 13 Reasons Why star was on a season five episode as a teen who accidentally committed suicide.

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