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

Chris Evans
Age: 31
Occupation: Actor
Known For: Being Captain America in "The Avengers" and "Captain America", and the Human Torch in the "Fantastic Four" movies.

Kat Dennings
Age: 26
Occupation: Actor
Known For: Currently starring as Max on "2 Broke Girls". You may have also seen her in "The 40-Year Old Virgin" and "Thor".

Malcolm McDowell
Age: 69
Occupation: Actor
Known For: Being the human embodiment of a nightmare in the movie ‘A Clockwork Orange,’ starring in other films including ‘Caligula,’ ‘Star Trek: Generations’ and ‘Tank Girl,’ television appearances on ‘Entourage’ and ‘Heroes,’ and his narration of the seminal 1982 documentary ‘The Compleat Beatles’

Ashley and Mary-Kate Olsen
Age: 26
Occupation: Actresses and Media Moguls
Known For: Tag-teaming the role of Michelle Tanner on the TV series ‘Full House,’ appearing together in a variety of TV, film and video projects throughout their child and teenage years, and being among the wealthiest celebrities in the world despite often looking homeless

Tim Allen
Age: 59
Occupation: Actor, Writer and Comedian
Known For: Starring in the sitcoms ‘Home Improvement’ and ‘Last Man Standing,’ voicing Buzz Lightyear in the ‘Toy Story’ film franchise, and movie roles in ‘Galaxy Quest,’ ‘Wild Hogs’ and ‘The Santa Clause’ series

Ally Sheedy
Age: 50
Occupation: Actress
Known For: Playing Allison, aka “the basket case,” in John Hughes’ coming-of-age classic ‘The Breakfast Club,’ additional film roles in ‘St. Elmo’s Fire,’ ‘WarGames’ and ‘Short Circuit,’ and a previous relationship with Bon Jovi guitarist Richie Sambora