Adam Sandler got his start as Smitty on The Cosby Show

Selena Gomez played a kid for two years on Barney & Friends

Mike O’Malley was the host of Nickelodeon’s Global Guts

Joe Manganiello was Peter Parker’s bully in the original Spider-Man

Johnny Galecki was Rusty in National Lampoon’s Christmas Vacation

Eric Stonestreet played a hotel receptionist in 10 seconds of Almost Famous

Angela Bassett was a flight attendant in about two seconds of Kindergarten Cop

Maggie Wheeler was the camp counselor in The Parent Trap

Laurence Fishburne played a soldier in Apocalypse Now, even though he was only 14 and lied about his age to get the part

Hugh Laurie was actually in Spice World

Don Cheadle was in a single episode of The Fresh Prince of Bel-Air

Elijah Wood is credited as “video game boy” in Back to the Future Part II

Jessica Alba was a school bully in The Secret World of Alex Mack

Kevin Hart played a cameraman in Along Came Polly

John Cho played a parking valet in The Flintstones in Viva Rock Vegas

Amy Adams was on a single episode of Charmed in one of her very first acting credits

Adam Scott was Griff Hawkins, the new kid/bully, in a few episodes of Boy Meets World

James Marsden was in two episodes of The Nanny

Jennifer Lawrence’s first acting role was as a school mascot in one episode of Monk

Ben Affleck played an uncredited basketball player in the Buffy the Vampire Slayer movie

Kaley Cuoco played Elisa in the Disney Channel movie Alley Cats Strike

Aubrey Plaza had one line as an NBC page on 30 Rock

Ryan Gosling was in an episode of both Goosebumps and Are You Afraid of the Dark? in the ’90s

Zachary Quinto played a TV commercial director in an episode of Lizzie McGuire

Leonardo DiCaprio was an extra as one of Darlene’s classmates in Roseanne

Octavia Spencer was the check-in lady at the wrestling arena in Spider-Man

Ashley Tisdale was a student in Donnie Darko

Scarlett Johansson was Alex’s older sister in Home Alone 3