Everyone has to start somewhere and before many of these celebrities made it big, they were cast members, musicians, dancers or tour guides at one of the Disney theme parks.

Before has was the voice of Genie in Aladdin, Robin Williams was the voice of the Jungle Cruise. Photo via ABCNews.com
Back in the ’70s, Michelle Pfeiffer played Alice in Alice in Wonderland during the Main Street Electrical Parade. Photo via fapop.com
Wayne Brady played Tigger at Walt Disney World. Photo via BET.com
Steve Martin worked at the Fantasyland Magic Shop from 1955 to 1958. Photo via Biography.com
Backstreet Boy Kevin Richardson once played Aladdin and a Teenage Mutant Ninja Turtle at Disneyland. Photo via backstreetboys.com
Harlan Ellison worked as a writer for Walt Disney Studios for less than one day and was actually fired 4 hours into his shift for making a joke about the Seven Dwarves having a gang bang with Snow White. He wrote about here. Photo via Wired.com
Before he got his groove back with Stella, Taye Diggs was performing at Tokyo Disneyland. Photo via thegrio.com
Kevin Kostner was a guide in The Jungle Cruise in 1978. He also met his future wife Cindy Silva at Disney, who was working as Snow White. Photo via reelz.com
Befoer Joanna Kerns was the mom on Growing Pains, she played the Blue Fairy from “Pinocchio” in the Main Street Electrical Parade. Photo via classictv.com
Alyson Reed once performed as Alice in Wonderland at the Disneyland theme park. But you probably now her best from High School Musical. Photo via hotflick.com
Desperate Housewives star Kathryn Joosten was once a street performer at Disney’s Hollywood Studios.
John Lasseter, CEO of Pixar and Disney Animation, was a tour guide on the Jungle Cruise. Photo via Forbes.com
Alexis Mateo, from RuPaul’s Drag Race, worked at Disney World for five years as a dancer.
Josh Freese, former member of A Perfect Circle, The Vandals, Devo, Guns N’ Roses and Nine Inch Nails, was a drummer at the age 12 for a Top 40 band at Disneyland.
Kara Monaco was once Alice, Ariel, Cinderella and Snow White at Walt Disney World. Later on she became a Playboy Playmate. Photo via Playboy.com
Richard Carpenter, of the Carpenters, was once a piano player on Disney Main St. Photo via wbur.org
CSI Miami star Sarah Butler was once Belle at Disneyland. Photo via weheartit.com
Known for her role in Close Encounters of the Third Kind, Teri Garr once was a dancer in the parades. Photo via Wikipedia.com
Nitty Gritty Dirt Band member John McEuen worked at Disneyland as a musician the same time as Steve Martin and even helped teach the former SNL star how to play the banjo. Photo via fcnp.com
Leanza Cornett, Miss America 199, played the Little Mermaid at Disney World back in 1991. Photo via usmagazine.com