Ty Pennington is 48.
Michael Gambon is 72.
Actor John Lithgow is 67.
Singer Jeannie C. Riley is 67.
Singer Patrick Simmons of The Doobie Brothers is 64.
Talk-show host Charlie Chase is 60.
Singer-keyboardist Karl Wallinger of World Party is 55.
Singer Jennifer Holliday is 52.
Singer-guitarist Todd Park Mohr of Big Head Todd and the Monsters is 47.
Actor Jon Favreau is 46.
South Park co-creator Trey Parker is 43.
Comedian Chris Kattan is 42.
Singer Pras Michel of The Fugees is 40.
Actor Omar Gooding (Hangin’ With Mr. Cooper) is 36.
Country singer Cyndi Thomson is 36.
Writer-director Jason Reitman is 35.
Actor Benjamin Salisbury (The Nanny) is 32.
Actress Gillian Jacobs is 30.