Greta Garbo was once a lather girl in a barbershop. She also worked at PUB, a major department store in Stockholm, Sweden, during the 1920s before becoming a successful actress.

Bill Gates worked as a Congressional Page while attending Harvard.

Sarah Michelle Gellar began her career with guest appearances on The Guiding Light.

At age 5, Gellar appeared in a Burger King commercial that was the first commercial to bash a competitor by name. McDonald's sued, and she was banned from McDonald's during that time.

Richard Gere attended the University of Massachusetts in Amherst on a gymnastics scholarship where he studied philosophy. He later dropped out to pursue acting.

Two years before his big break as Mad Max, Mel Gibson can be seen as an uncredited baseball player in "I Never Promised You a Rose Garden."

Whoppi Goldberg actually worked as a bricklayer.

Whoopi Goldberg used to be a bank teller.

CNN news-woman Nancy Grace worked at an Indian burial grounds in Georgia.

According to IMDB, Heather Graham worked at Toys R'Us as a teenager, and once worked as an usher at The Hollywood Bowl.

Like most hollywood hopefulls, Kelsey Grammer did his time as a waiter. He also painted apartments in New York before eventually landing regional theater roles.

Hugh Grant once considered a career as an art historian. He intended to pursue PhD studies in Art History at the Courtauld Institute in London.

Macy Gray worked at McDonald's. In fact she appeared in a 2006 McDonald's commercial saying "The action, the fun, the people, the sense of accomplishment -- it truly was my first big break!"

Seth Green starred in a commercial for a NERF toy in 1992. You can find it on YouTube.

Jake Gyllenhaal's first role was in 1991 as Billy Crystal's son in "City Slickers."