Today's celebrity birthdays: August 18, 2026

Happy birthday to entertainers like Denis Leary, Edward Norton, and Andy Samberg! Keep on reading to see who else is celebrating their birthday and some career highlights!

Celebrity birthday highlights for August 18, 2026:

Comedian-actor Denis Leary (1957) turned his stand-up into a breakthrough with "No Cure for Cancer," voiced Diego across the "Ice Age" franchise, and co-created "Rescue Me." He created and starred on "Sex&Drugs&Rock&Roll," turned up in "Oh. What. Fun.," and put the fatigues back on as Colonel Patrick Quinn for the second season of "Going Dutch."

Actress Madeleine Stowe (1958) graduated from television to features with "Stakeout" and "Revenge," hit A-list status with "The Last of the Mohicans," and took a National Society of Film Critics award for "Short Cuts." She played Kathryn Railly in "12 Monkeys," picked up a Golden Globe nomination as Victoria Grayson on ABC's "Revenge," and is back on TV on HBO's "It: Welcome to Derry."