Here's a look at some notable birthdays being celebrated today:

Harrison Ford
Age: 69
Occupation: Actor
Known For: Roles such as Han Solo in the original 'Star Wars' trilogy and Indiana Jones in the eponymous movie franchise, and his marriage to human swizzle-stick Calista Flockhart

Cheech Marin
Age: 65
Occupation: Actor and Comedian
Known For: Being half of the legendary stoner comedy duo Cheech and Chong, starring in movies such as 'Up in Smoke,' and co-starring in the TV series 'Nash Bridges'

Patrick Stewart
Age: 71
Occupation: Actor
Known For: Film and television roles such as Captain Jean-Luc Picard in 'Star Trek: The Next Generation' and its successor films, and Professor Charles Xavier in the 'X-Men' film franchise

Didi Conn
Age: 60
Occupation: Actress
Known For: Portraying beauty-school dropout Frenchie in the movie 'Grease'

Cameron Crowe
Age: 53
Occupation: Screenwriter and Director
Known For: Terrific coming-of-age films such as 'Fast Times at Ridgemont High,' 'Say Anything...' and 'Almost Famous'