Famous Birthdays on January 18, 2026: Jason Segel, Mark Rylance Revealed

Birthday wishes go out to Jason Segel, Mark Rylance and all the other celebrities with birthdays today. Check out our slideshow below to see photos of famous people turning a year older on January 18th and learn an interesting fact about each of them. Top celebrity birthdays on January 18, 2026 Actor and director Kevin Costner turns 71 Fun fact: His middle name is Michael. Check out more Kevin Costner fun facts. Actor Mark Rylance turns 66 Fun fact: Won an Oscar for his role in “Bridge of Spies.” Actor and wrestler Dave Bautista turns 57 Fun fact: Once appeared as an alien in an episode of “Smallville.” Actor Jason Segel turns 46 Fun fact: Received multiple Primetime Emmy nominations for last year’s show. Actress Ashleigh Murray turns 38 Fun fact: Originally from Kansas City, MO. More celebrities with birthdays today Singer-songwriter Bobby Goldsboro is 85. Comedian-singer Brett Hudson of the Hudson Brothers is 73. Country singer-actor Mark Collie (“Nashville”) is 70. Actor Alison Arngrim (“Little House on the Prairie”) is 64. Actor Jane Horrocks (“Absolutely Fabulous”) is 62. Comedian Dave Attell (“Insomniac”) is 61. Actor Jesse L. Martin (“The Irrational,” ″Law & Order”) is 57. Rapper DJ Quik is 56. Singer Jonathan Davis of Korn is 55. Singer Christian Burns of BBMak is 52. Actor Derek Richardson (“Men in Trees”) is 50. Singer-actor Samantha Mumba is 43. Actor Zeeko Zaki (“FBI,” “24: Legacy”) is 36. Actor Mateus Ward (“Hostages”) is 27. Other popular or historical birthdays on January 18th Daniel Webster, lawyer and politician A.A. Milne, author Oliver Hardy, comedian Cary Grant, actor Danny Kaye, comedian and actor John Hughes, director with The Associated Press Celebrity fun facts Recent lists: Drew Barrymore fun facts | Kaley Cuoco fun facts | Margot Robbie fun facts | Kevin Costner fun facts | Tom Cruise fun facts | Gal Gadot fun facts | Dwayne ‘The Rock’ Johnson fun facts | Reese Witherspoon fun facts Popular lists: Robert Downey Jr. fun facts | Emma Watson fun facts | Jason Momoa fun facts | Miley Cyrus fun facts Check out our full list of more than 40 celebrity fun facts. Movie and TV fun facts & more Recent lists: 19 actors recast in the MCU | ‘How I Met Your Mother’ guest stars | ‘Groundhog Day’ fun facts | ‘Yellowstone’ trivia Popular lists: Canadian celebrities | ‘Friends’ guest stars | Celebs on ‘The Office’ Check out our rundown of more than 30 posts featuring trivia and fun facts about movies and TV shows. Recent Celebrity birthdays Today’s famous birthdays list for January 17, 2026 includes Steve Harvey, Kelly Marie Tran Dolly Parton fun facts: 15 things you might not know about the legendary singer Today’s famous birthdays list for January 16, 2026 includes Richard T. Jones, Debbie Allen