Criminal Minds

Criminal Mindsis in its 14th season , and the format of the show has allowed for some notable guest stars over the years . Some have play the villain or the UnSub ( or nameless field ) that the BAU ( Behavioral Analysis Unit ) is after , while others have represent dupe or characters connected to one of the squad .

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In most cases , these actors leave behind their mark on the series , whether due to the character reference they play or just because of who they are . However , in some slip , fans may not have realized who was playing the role because the focus was on that fictitious character ’s impact on a squad extremity , or maybe fans just forgot someone appeared in an early episode because the serial has had over 300 episodes .

Aaron Paul

Before he became well known for his purpose as Jesse Pinkman onBreaking Bad , Aaron Paul appeared inCriminal Mindsthe Season 1 installment , " The Popular Kids " as Mike Zizzo . Mike was in his 20s but still hung out with high school Kid . The group of them got high and listened to hard metal and called themselves the Lords of Destruction .

The substantial UnSub , Corey , pointed the BAU in Mike ’s charge , framing him and his friends for slaying . Paul has also appeared in other series includingBig Love , The PathandBoJack Horseman .

Robert Englund

Everyone knows Robert Englund from his role as Freddy Krueger in theNightmare on Elm Streetmovies , so it was only fitting that when he appeared onCriminal Minds , in one of its spookier instalment . However , his role was n’t as creepy as his the one he ’s most known for .

Englund play Detective Gassner in the Season 7 installment , " Heathridge Manor . " The BAU investigated a woman found dead in an abandoned insane asylum . It was a fun minute of casting that allowed buff to make the spooky connection without place him in the obvious part as the UnSub .

James Van Der Beek

If you roll in the hay anything about WB shows , it ’s probable you recognize James Van Der Beek for his function as Dawson Leery onDawson ’s Creek . He had arguably one of the most memorable purpose onCriminal Mindswhen he appeared in two Season 2 episodes cry " The Big Game " and " Revelations . "

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However , it ’s potential you did n’t realize he play Tobias Hankel because the stress was n’t necessarily on him , but rather on his outcome on the serial . It was Tobias '   capturing and forcible and psychological torment of Reid and how that affected Reid for episodes to come that made the most impact .

Cameron Monaghan

Now , Cameron Monaghan is known for his character as Ian Gallagher onShamelessand Jerome and Jeremiah onGotham . Before he was playing those creepy roles on the latter , he was one ofCriminal Minds ' younger UnSubs 12 years ago . He played Jeffrey Charles in " The Boogeyman . "

The BAU originally profile the UnSub as an adult . They presently discovered they were look for a child just before Jeffrey could claim another victim , Tracy Belle , played by another conversant face : Elle Fanning .

Jason Alexander

It ’s potential you know Jason Alexander for his function as George Costanza onSeinfeld . He also appeared as an UnSub , Henry Grace , onCriminal Mindsin Season 4 . A self-loving psychopath , he turned himself in to Reid and Rossi after they spoke to a college course of study . He challenged the team to find five victims before it was too recent and they died .

Henry thought in doing so , he would prove he was good than they were . He was wrong , and the team saved all five victim and themselves after he tried to set up a trap for the agent .

Tim Curry

You credibly know Tim Curry for his roles inClueandThe Rocky Horror Picture Show , among many , many others , but those two are his most notable .

alas , his appearances onCriminal Mindswere the opposite . He was think of in the role , but it was a dark one . He played the ominous UnSub Billy Flynn , a serial killer in two episodes . His story set about in the Season 5 close , " Our Darkest Hour , " and served as the cliffhanger , which was then concluded in the Season 6 premiere , " The Longest Night . "

Mark Hamill

Mark Hamill is best known for playing Luke Skywalker in theStar Warsmovies , but you may not have realized that he also appeared in two instalment ofCriminal Minds . He play John Curtis in the Season 8 instalment , " Brothers Hotchner " and " The Replicator . " Curtis was the answer of the time of year - long enigma of the UnSub and stalker of the BAU , the Replicator . He was also creditworthy for killing Erin Strauss , the BAU Section Chief .

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Though the Replicator was around for the entire time of year , he only appeared in those concluding two episodes , so it ’s apprehensible if he ’s not the first UnSub or actor you think of when you remember of the series .

Gina Torres

Gina Torres is probably best known for her roles onFireflyandSuits(and soon to bePearson ) and inThe Matrixmovies . The 11th installment of Season 4 , " Normal , " featured a couple of notable client stars . You likely recognizedThe X - Files ' Mitch Pileggi as the UnSub , Norman Hill , a killer who also   took the lives of   his own family .

But did you realize that the detective who assist the BAU out with the case , Thea Salinas , was play by Torres ? With the nidus on the UnSub , especially once they realized what he ’d done , it ’s not surprising if you block she appear .

Bellamy Young

You likely sleep with Bellamy Young for her role as Mellie Grant onScandal . Maybe you get wind her in several episodes ofCSI : MiamiorScrubs . However , she also appeared in seven episode ofCriminal Minds , in Seasons 7 and 8 . She fall back as Beth Clemmons , a love pursuit of Thomas Gibson ’s Aaron Hotchner .

They first baffle paths when they were prepare for triathlons and began dating , and she got along well with his son . However , Beth and Hotch were n’t meant to last , as their kinship ended off - screen , likely due to Young ’s work on Scandal .

Tricia Helfer

You credibly bonk Tricia Helfer well for her office as Number Six onBattlestar Galacticaor more recently as Charlotte onLucifer . She also appeared in the two - part Season 7 stopping point , " Hit " and " head for the hills , " ofCriminal Minds . She run Izzy Rogers , a psychopathic grampus , bomber , and bank robber .

She top a group of banking company robbers who hit a bank in the D.C. area and carry JJ ’s husband , Will , hostage . She insisted he let her into his home , but JJ was able to subdue her and keep her family secure .

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Criminal Minds

Criminal Minds Aaron Paul

Criminal Minds Robert Englund

Criminal Minds James Van Der Beek

Criminal Minds Cameron Monaghan

Criminal Minds Jason Alexander

Criminal Minds Tim Curry

Criminal Minds Mark Hamill

Criminal Minds Gina Torres

Criminal Minds Bellamy Young

Criminal Minds Tricia Helfer

Criminal Minds