Oldest Adult Actors Who Played Teenagers

26 when he played teenage vampire Edward Cullen in the movie "Twilight Saga: Breaking Dawn -- Part 2;" was 22 when he originated the role in the movie "Twilight"

51 (!) when he played a teenager in the movie "The Man Who Shot Liberty Valance"

43 when he played Scott Thorson, ages 17-22, in the movie "Behind the Candelabra"

41 when she played 19 y.o. Yentl Mendel in the movie "Yentl"

40 when she played 14 y.o. Moaning Myrtle in "Harry Potter and the Goblet of Fire." She was 36 when she played the same role in "Harry Potter and the Chamber of Secrets"

39 when he played Mickey Hughes, ages 18-31, in the TV movie "The Burning Bed"

37 when she played Francine Hughes, ages 16-29, in the TV movie "The Burning Bed"

35 when she played 19 y.o. Elinor Dashwood in the movie "Sense and Sensibility"

34 when she played 17 y.o. Rizzo in the movie "Grease"

34 when she played 12 year-old Dorothy in the movie "The Wiz," an adaptation of "The Wizard of Oz"

33 when she played Joan, ages 14-19, in the movie "Joan of Arc"

32 when she began playing 18 y.o. college student Meghan Rotundi on the TV show "Felicity"

32 when she played 18 y.o. Holly Golightly in the movie "Breakfast at Tiffany's"

32 when he played high school football player Nick Brady in the movie "Fired Up"

32 when he played camp lifeguard Andy in the movie "Wet Hot American Summer"

32 when he played high school student Sonny in the movie "Grease"

31 when she began playing teenager Clare Devlin on the British TV show "Derry Girls"

31 when he began playing teenager Teddy Montgomery on the TV show "90210"

31 when she began playing high school student Jasmine in the TV show "On My Block"

31 when he played 18 y.o. Julius Campbell in the movie "Remember the Titans"

31 when he played 16 y.o. Roman in the TV show "Star Crossed"

31 when she began playing high schooler Maya St. Germain on the TV show "Pretty Little Liars;" played it until age 34

31 when he began playing 17 y.o. vampire Damon Salvatore on the TV show "The Vampire Diaries;" was 38 when the series ended, still playing 17

31 when she began playing a teenager on the TV show "Pretty Little Liars"

31 when he played teenager Derek Reynolds in the movie "Save the Last Dance"

31 when he played high school student Victor Duncan in the movie "The Principal"

30 when he played Joran van der Sloot, ages 18-23, in the movie "Justice for Natalee Holloway"

30 when she played 18 y.o. Sophie in the movie "Breathe In"

30 when he played high school student Nick in the movie "Tuff Turf"

30 when she began playing teenager Josie on the TV show "Riverdale"

30 when she played 17 y.o Sandy in the movie "Grease"

30 when he began playing high school student Alan in the TV series "Blackstone"

30 when he played 17 y.o. Cameron Frye in the iconic movie "Ferris Bueller's Day Off"

30 when she played a teenager in the movie "The Craft"

30 when she began playing high school student Coop on the TV show "All American"

29 when he began playing 16 y.o. student Paxton Hall-Yoshida in the TV series "Never Have I Ever"

29 when he played 18 y.o. Radar on the TV show "M*A*S*H"; was 27 when he originated the role in the movie "M*A*S*H"

29 when she began playing 16 y.o. Andrea Zuckerman on the TV show "Beverly Hills 90210;" she was 39 when the show ended

29 when he starred as high school student Emilio Ramirez in the movie "Dangerous Minds"

29 when he began playing 16 y.o. Jackson Stewart in the TV series "Hannah Montana;" he was 34 when the show ended

29 when he played teenager Marty McFly in the movie "Back to the Future Part III." He was 24 when he originated the role in "Back to the Future"

29 when she played high school student Annie in the classic horror film "Halloween" (original 1978 version)

29 when she began playing teenager Andie McPhee on the TV show "Dawson's Creek"

29 when he played high school student Buster Lane in the movie "Buster and Billie"

29 when he began playing teenager Arthur "The Fonz" Fonzarelli on the TV show "Happy Days;" he was 39 when the show ended

29 when she played teenager Quentin Compson in the movie "The Sound and the Fury"

28 when she played a teenager in the movie "You Get Me"

28 when she played high school student Nina in the movie "The Wanderers"

28 when he played high school student Kenickie in the movie "Grease"

28 when she played 15 y.o. Dionne Davenport in the movie "Clueless;" continued the role for another 5 years on the TV show "Clueless," when she was well into her 30's

28 when she starred as high school cheerleader Emma Carr in the movie "Fab Five: The Texas Cheerleader Scandal"

28 when he played 16 y.o. Frank Abagnale in the movie "Catch Me If You Can"

28 when he played teenager Peter Parker in the movie "The Amazing Spider-Man"

28 playing 18 y.o Aria Montgomery on the TV show "Pretty Little Liars;" she was 22 when the show began

28 when she began playing an 18 y.o. in the TV series "The Walking Dead"

28 when he played 18 y.o. Toby Jacobs in the movie "Girl, Interrupted"

28 when he played teenager Finn Collins on the TV series "The 100"

28 when he played a teenager in the classic movie "A Clockwork Orange"

28 when he played teenager Steve Andrews in the movie "The Blob"

28 when she began playing 18 y.o. college student Elena Tyler on the TV show "Felicity"

28 when she played 17 y.o. Daisy Buchanan in the movie "The Great Gatsby"

28 when she played teenager Rosie Morales in the movie "La Bamba"

28 when she played 18 y.o. Susanna Kaysen in the movie "Girl, Interrupted"

28 when she played high school student Lynda in the classic horror movie "Halloween" (original 1978 version)

28 when he began playing 16 y.o. John B. on the TV series "Outer Banks"

28 when he played teenager Preach Jackson in the movie "Cooley High"

27 when she originated the role of 16 y.o. Lane Kim on the TV show "Gilmore Girls"

27 when she began playing 16 y.o Hannah on the TV show "Pretty Little Liars"

27 when she played teenager Cecile Caldwell in the movie "Cruel Intentions"

27 when she played high school student Clover in the movie "Love Everlasting;" her co-star and love interest, Lucky Blue Smith, was 18

27 when he began playing a teenager on the TV show "13 Reasons Why"

27 when she began playing 16 y.o. Cordelia Chase on the TV show "Buffy the Vampire Slayer"

27 when she starred as high school student Frenchie in the movie "Grease"

27 when he played high school student Danny Ladouceur in the movie "When the Game Stands Tall"

27 when she appeared as 17 y.o. Becca Rice on the TV show "Law and Order: SVU"

27 when she played 17 y.o. Baby Houseman in the movie "Dirty Dancing"

27 when he began playing 14 y.o. Tim Riggins on the TV show "Friday Night Lights;" was 32 when the show ended

27 when she played 16 y.o. Katy McLaughlin in the movie "Flicka"

27 when he played high school student Peter Parker in the movie "Spider-Man"

27 when he began playing teenager Finn Hudson on the TV series "Glee"

27 when she played 17 y.o. Jess Bhamra in the movie "Bend It Like Beckham"

27 when he played his Oscar-nominated role of 19 y.o. Aaron in the movie "Primal Fear"

27 when she began playing a high schooler on the TV show "All American"

27 when she played teenager Marilyn Munster on the classic TV show "The Munsters"

27 when she played a teenager in the movie "Wild Things"

27 when he played high school student Mitchell in the movie "Moxie"

27 when he began playing teenager Harry Chang on the TV show "Glee"

27 when she played high schooler Carrie White in the movie "Carrie"

27 when she played a high school cheerleader in the movie "Bring It On!"

27 when he began playing teenager J.J. Evans on the TV show "Good Times"

27 when he began playing 17 y.o. Stefan Salvatore on the TV show "Vampire Diaries;" was 35 when the show ended, still playing 17

27 when she began playing teenager Magnolia Barnard on the TV series "Insatiable"

27 when he played 17 y.o. Ren McCormack in the movie "Footloose" (2011 remake)

26 when he played teenager Ren McCormack in the movie "Footloose" (1984 original)

26 when he played teenager Sam Eliot in the TV series "The Society"

26 when he played 18 y.o. Will Turner in the movie "Pirates of the Caribbean"

26 when she played 17 y.o. Penelope in the movie "A Bigger Splash"

26 when he played teenager stu in the movie "They/Them"

26 when she played high school student Molly in the movie "Booksmart"

26 when she played 19 y.o. Jill in the Oscar-winning movie "Butterflies Are Free"