Bill Murray

He began studying pre-med at Regis University before dropping out due to a marijuana arrest. After moving to New York City, he joined the National Lampoon Radio Hour and later appeared in the National Lampoon stage show Lemmings. He then joined the cast of Saturday Night Live, becoming one of the show's most popular cast members with his deadpan delivery and improvisational skills. Leaving the show in 1980, he transitioned to film, landing his breakthrough role in the 1979 comedy Meatballs, followed by notable films like Caddyshack, Ghostbusters, and Groundhog Day.