Actors & Actresses:
* Diana Rigg (1938-2020), British actress known for her roles in "The Avengers," "Game of Thrones," and "On Her Majesty's Secret Service."
* Ali MacGraw (1939-present), American actress known for her roles in "Love Story" and "The Getaway."
* Malcolm McDowell (1943-present), British actor known for his roles in "A Clockwork Orange," "Time After Time," and "Star Trek: Generations."
* Glenn Close (1947-present), American actress known for her roles in "Fatal Attraction," "Dangerous Liaisons," and "The Wife."
* Bill Pullman (1953-present), American actor known for his roles in "Independence Day," "Spaceballs," and "While You Were Sleeping."
* Emily Watson (1967-present), British actress known for her roles in "Breaking the Waves," "Hilary and Jackie," and "Red Dragon."
Musicians:
* Diana Ross (1944-present), American singer, songwriter, and actress known for her work with The Supremes and her solo career.
* Grace Slick (1939-present), American singer and songwriter known for her work with Jefferson Airplane.
* Mark Knopfler (1949-present), British musician and songwriter known for his work with Dire Straits and his solo career.
Politicians & Leaders:
* Margaret Thatcher (1925-2013), British Prime Minister (1979-1990).
* Jack Kerouac (1922-1969), American writer known for his novel "On the Road."
Others:
* Henry Fonda (1905-1982), American actor known for his roles in "The Grapes of Wrath," "12 Angry Men," and "Once Upon a Time in the West."
* Vincent van Gogh (1853-1890), Dutch painter known for his post-impressionist works.
This is just a small sample of the many famous people born on May 18th. There are many others in various fields of entertainment, politics, science, and more.