Today's celebrity birthdays: January 18, 2026

Happy birthday to entertainers like Kevin Costner, Jesse L. Martin, and Jason Segel! Keep on reading to see who else is celebrating their birthday and some career highlights!

Celebrity birthday highlights for January 18, 2026:

Actor-director Kevin Costner (1955) starred in "Field of Dreams" just before sweeping the Oscars with "Dances with Wolves." He followed that triumph by protecting Whitney Houston in "The Bodyguard" and ruling the modern west on "Yellowstone."

Actor-wrestler Dave Bautista (1969) traded the WWE ring for the Marvel Cinematic Universe as the lovable destroyer Drax in the "Guardians of the Galaxy" franchise. His dramatic chops were on full display in high-profile sci-fi epics like "Blade Runner 2049" and "Dune."

Actor Jesse L. Martin (1969) was an original member of "Rent" on Broadway before spending nine seasons keeping the streets safe as Detective Ed Green on "Law & Order." More recently, he was a main cast member on CW's "The Flash" and led the NBC drama "The Irrational."