Adult Actors Who Played High Schoolers … and How Old They Really Were

We do not know what we would have done if there were an adult Taylor Kitsch in our high school

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Olivia Newton-John in Grease

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Character: Sandy, 18

Newton-John’s Actual Age at Filming: 29

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Rachel McAdams in Mean Girls

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Character: Regina George, high school junior

McAdams’ Actual Age at Filming: 27

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Stacey Dash in Clueless

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Character: Dionne, high school junior

Dash’s Actual Age at Filming: 27

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Stockard Channing in Grease

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Character: Rizzo, 18

Channing’s Actual Age at Filming: 34

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Taylor Kitsch on Friday Night Lights 

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Character: Tim Riggins, high school junior

Kitsch’s Actual Age at Filming: 28

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Henry Winkler on Happy Days

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Character: The Fonz, high schooler

Winkler’s Actual Age at Filming: 29

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Shirley Henderson in Harry Potter

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Character: Moaning Myrtle, teenage high school student

Henderson’s Actual Age at Filming: 37

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Keiko Agena on Gilmore Girls

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Character: Lane Kim, 16

Agena’s Actual Age at Filming: 27

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Gabrielle Union in Bring It On

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Character: Isis, high school senior

Union’s Actual Age at Filming: 28

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Charisma Carpenter on Buffy the Vampire Slayer

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Character: Cordelia Chase, 16

Carpenter’s Actual Age at Filming: 27

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Shay Mitchell on Pretty Little Liars

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Character: Emily, 16

Lawson’s Actual Age at Filming: 30

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Paul Wesley on Vampire Diaries

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Character: Stefan Salvatore, 17

Wesley’s Actual Age at Filming: 27

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Ian Somerhalder on Vampire Diaries

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Character: Damon Salvatore, 17 

Somerhalder’s Actual Age at Filming: 31

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Ashleigh Murray on Riverdale

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Character: Josie (of Josie & the Pussycats), high school student

Murray’s Actual Age at Filming: 30

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Sean Patrick Thomas in Save the Last Dance

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Character: Derek Reynolds, senior in high school 

Thomas’ Actual Age at Filming: 31

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Sissy Spacek in Carrie

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Character: Carrie White, 16

Spacek’s Actual Age at Filming: 27

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Jennifer Grey in Dirty Dancing

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Character: Baby Houseman, 17

Grey’s Actual Age at Filming: 27

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John Heder in Napoleon Dynamite

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Character: Napoleon, high school student

Heder’s Actual Age at Filming: 26

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Winona Ryder in Girl, Interrupted

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Character: Susanna Kayson, 18

Ryder’s Actual Age at Filming: 28

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Alan Ruck in Ferris Bueller’s Day Off

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Character: Cameron, 17

Ruck’s Actual Age at Filming: 30

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Selma Blair in Cruel Intentions

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Character: Cecile Caldwell, 17

Blair’s Actual Age at Filming: 27

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Parminder Nagra in Bend It Like Beckham

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Character: Jess Bhamra, 17

Nagra’s Actual Age at Filming: 27

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Ross Butler on 13 Reasons Why

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Character: Zach Dempsey, high school student

Butler’s Actual Age at Filming: 27

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Gabrielle Carteris on Beverly Hills, 90210

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Character: Andrea Zuckerman, 16

Carteris’ Actual Age at Filming: 29

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Matt Damon in Behind the Candelabra

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Character: Scott Thorson, 17

Damon’s Actual Age at Filming: 43

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Tammin Sursok on Pretty Little Liars

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Character: Jenna Marshall, high school student

Sursok’s Actual Age at Filming: 31

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Jason Earles on Hannah Montana

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Character: Jackson, high school student  

Earles’ Actual Age at Filming: 29

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Cory Monteith on Glee

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Character: Finn, high schooler

Real Age: 27-31

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Andrew Garfield in The Amazing Spider-Man

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Character: Peter Parker, 17  

Garfield’s Actual Age at Filming: 28

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