The two-time Oscar winner has played a variety of roles in his 70-odd movies over the past 40 years, but the films we remember best are the ones where he terrified the hell out of us -- or made us laugh our asses off.
In honor of his newest comedy, "Dirty Grandpa," we've ranked his 17 most (and least) intimidating roles.
Uptight lawyer Jason Kelly (Zac Efron) is one week away from marrying his boss's controlling daughter, putting him on the fast track for a partnership at his firm. Tricked by his grandfather Dick (Robert De Niro), Jason finds himself driving the foulmouthed old man to Daytona Beach, Fla., for a wild spring break that includes frat parties, bar fights and an epic night of karaoke. While Jason worries about the upcoming wedding, Dick tries to show his grandson how to live life to the fullest. Read More