Henry Winkler almost studied to become a child psychologist before transitioning into a career as an actor and finding fame as Fonzie on "Happy Days."
https://www.foxnews.com/entertainment/henry-winkler-opens-about-unexpected-career-considered-before-becoming-actor
https://www.foxnews.com/entertainment/henry-winkler-opens-about-unexpected-career-considered-before-becoming-actor