Hollywood actors sometimes go to extreme lengths to fit the perfect roles, whether its using method acting strategies or losing massive amounts of weight. But other times the actors manage to blend into characters much older or younger than themselves with simply a bit of makeup or the right wardrobe.
Keep reading for a look at 15 actors who were far older or younger than the parts they played on screen.
SEE ALSO: 16 actors who gained weight for movie and TV roles
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Stacy Dash played a high school student in "Clueless" when she was 29 years old.

Dash's character, Dion, was meant to be a 17-year-old high schooler in the cult classic "Clueless."
Emma Thompson starred as 19-year-old Elinor Dashwood in "Sense and Sensibility" when she was 35.

Thompson wrote the screenplay (which won her an Oscar in 1995) and played the lead character in the period drama.
Winona Ryder was 28 when she played an 18-year-old in "Girl, Interrupted."

Ryder was cast as 18-year-old Susanna Kaysen when she was nearly a decade older than the character.
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