Natalie Dormer was 32 years old when she was playing the role of 18-year-old Margaery Tyrell (Game of Thrones).
27-year-old Charisma Carpenter was perfect in the role of a high school student (Buffy the Vampire Slayer, Season One, 1997).
27-year-old Carey Mulligan easily transformed into 18-year-old Daisy Buchanan (The Great Gatsby, 2013).
Stockard Channing played a high school student at the age of 34 (Grease, 1978).
Robert Pattinson was 26 years old in the last film of the famous saga, while his character, Edward Cullen, was still only 17 (The Twilight Saga: Breaking Dawn — Part 2, 2012).
28-year-old Felicity Jones easily played 18-year-old Sophie (Breathe In, 2013).
25-year-old Taylor Kitsch managed to play the role of a 15-year-old teenager (Friday Night Lights, 2006).
Kitsch’s colleague on set, 26-year-old Minka Kelly, effortlessly transformed into a 16-year-old girl (Friday Night Lights, 2006).
27-year-old Winona Ryder played 18-year-old Susanna Kaysen (Girl, Interrupted, 1999).
Alison Lohman played the role of a 16-year-old teenager when she was 27 years old (Flicka, 2006).
32-year-old Eric Christian Olsen played a high-schooler (Fired Up!, 2009).
40-year-old Peter Hayden Dinklage played the iconic role of Tyrion Lannister who was only 23 years old in the book and 32 years old in the TV series (Game of Thrones).