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

Tom Cruise
Age: 50
Occupation: Actor and Sofa Jumper
Known For: His breakthrough role in ‘Risky Business,’ Oscar nominations for ‘Born on the Fourth of July,’ ‘Jerry Maguire’ and ‘Magnolia,’ starring in the newly-released ‘Rock of Ages,’ being a devout Scientologist, his impending divorce from third wife Katie Holmes, and leaving footprints on other people’s couches

Thomas Gibson
Age: 50
Occupation: Actor
Known For: Being the uptight boss on "Criminal Minds" and before that Dharma's uptight husband on "Dharma & Greg"

Olivia Munn
Age: 32
Occupation: Sexy actress, model
Known For: Gracing the cover of male targeted magazines such as Maxim, and guest starring in numerous televison shows. She currently  in the move "Magic Mike", and in a few weeks she'll be on HBO's cable news drama "The Newsroom"

Yeardley Smith
Age: 48
Occupation: Voice Actress
Known For:  Being the voice of Lisa Simpson on "The Simpsons". Her name is pronounced "YARD-ly".