human
What did Henry Winkler do to convince Garry Marshall to cast him as Fonzie?
assistant
Henry Winkler convinced Garry Marshall to cast him as Fonzie by performing a series of stunts during his audition. Winkler performed a series of stunts during his audition, including jumping over a row of chairs, riding a motorcycle, and jumping over a shark. Winkler's performance impressed Marshall, who immediately cast him as Fonzie.