Robin Williams was an American actor and comedian, known for his boundless energy and extraordinary improvisational skills. His film career spanned comedy and drama, often blending the two genres.

Among his most iconic roles were DJ Adrian Cronauer in *Good Morning, Vietnam* (1987), which earned him his first Oscar nomination, and Professor John Keating in *Dead Poets Society* (1989), which cemented his reputation as a versatile and inspiring actor. He lent his voice to the brilliant and quick-witted Genie in *Aladdin* (1992), a role that showcased his vocal and comedic talents.

Other memorable performances include *Mrs. Doubtfire* (1993), where he shone in physical comedy, and his Oscar-winning performance as the more measured and profound Will Hunting in *Good Will Hunting* (1997). Williams was renowned for his unique ability to infuse humanity and vulnerability, moving with agility from laughter to emotion, and also tackling darker roles in films such as *One Hour Photo* (2002).