Celebrities:
* John Cleese (1939) - English comedian, actor, and writer, famous for Monty Python's Flying Circus
* Danny DeVito (1944) - American actor, director, and producer known for Taxi, Twins, and It's Always Sunny in Philadelphia
* Peter O'Toole (1932-2013) - Irish actor known for Lawrence of Arabia and The Lion in Winter
* Jodie Foster (1962) - American actress and director, known for Taxi Driver, Silence of the Lambs, and The Silence of the Lambs
* Ryan Reynolds (1976) - Canadian actor, known for Deadpool, Green Lantern, and The Proposal
* Mac Miller (1992-2018) - American rapper, singer, and songwriter
* Viola Davis (1965) - American actress known for How to Get Away with Murder, Fences, and Ma Rainey's Black Bottom
Historical Figures:
* Pope John Paul II (1920-2005) - Head of the Catholic Church from 1978 to 2005
* Kenzo Takada (1939-2020) - Japanese fashion designer, founder of Kenzo
* Reginald Rose (1920-2002) - American screenwriter, known for Twelve Angry Men
* A.J. Foyt (1935-present) - American race car driver, known for his four Indy 500 victories
This is just a small sampling of the many famous people born on October 31st. If you're curious about specific professions or interests, you can use online resources like Wikipedia or IMDb to find more information.