People.com Entertainment TV 'SpongeBob SquarePants:' 19 Celebrities You Might Not Have Known Voiced Characters on the Show' ' From Johnny Depp and David Bowie to Victoria Beckham and Jon Hamm, many surprising celebrity guests have been featured on the beloved Nickelodeon animated series By Karen Mizoguchi Published on July 17, 2019 11:05 AM Share Tweet Pin Email 01 of 18 DAVID BOWIE Nickelodeon; Terry O'Neill/Iconic Images/Getty Lord Royal Highness from the 2007 made-for-TV feature-length special Atlantis SquarePantis. 02 of 18 VICTORIA BECKHAM Nickelodeon; Anthony Harvey/Getty Queen Amphitrite from "The Clash Of Triton" episode in season 6. 03 of 18 JOHNNY DEPP Nickelodeon; Jeff Spicer/Getty Jack Kahuna Laguna from the "SpongeBob vs The Big One" episode in season 6. 04 of 18 SCARLETT JOHANSSON Paramount/Kobal/REX/Shutterstock; Getty Princess Mindy in 2004's The SpongeBob SquarePants Movie. 05 of 18 MARK HAMILL Nickelodeon; John Shearer/Getty The Moth from the "Night Light" episode in season 5. 06 of 18 KRISTEN WIIG Nickelodeon; Steve Granitz/WireImage Madame Hagfish from the "The Curse of the Hex" episode in season 7. 07 of 18 JON HAMM Nickelodeon; Mark Sagliocco/Getty Don Grouper from the "Goodbye, Krabby Patty" episode in season 9. 08 of 18 AMY POEHLER Nickelodeon; Getty Granny Stew from the "Have You Seen This Snail?" episode in season 4. 09 of 18 JOHNNY KNOXVILLE Nickelodeon; Jeff Kravitz/FilmMagic Johnny Krill from the "Extreme Spots" episode in season 9. 10 of 18 GINNIFER GOODWIN Nickelodeon; Amanda Edwards/WireImage Teenage Mermaid from the "Welcome to the Bikini Bottom Triangle" episode in season 7. 11 of 18 ADAM WEST & BURT WARD Nickelodeon; Jason Merritt/FilmMagic Mermaid Man and his partner Barnacle Boy. 12 of 18 GENE SIMMONS Nickelodeon; J. Merritt/FilmMagic Sea Monster from the "20,000 Patties Under The Sea" episode in season 5. 13 of 18 PAT MORITA Nickelodeon; Nancy R. Schiff/Getty Karate guru from the "Karate Island" episode in season 4. 14 of 18 JOHN GOODMAN Nickelodeon; Valerie Macon/Getty Santa Claus from the stop-motion "It's a SpongeBob Christmas!" special in season 8. 15 of 18 ANDY SAMBERG Nickelodeon; Noam Galai/WireImage Colonel Carper from the "Hello Bikini Bottom" episode in season 8. 16 of 18 BIZ MARKIE Nickelodeon; Mike Pont/WireImage Kenny the Cat from the "Kenny the Cat" episode in season 9. 17 of 18 DENNIS QUAID Nickelodeon; Allen Berezovsky/Getty Grandpa Redbeard from the "Grandpappy the Pirate" episode in season 6. 18 of 18 RAY LIOTTA Nickelodeon; Oscar Gonzalez/NurPhoto via Getty Trevor, the leader of the street gang the Bubble Poppin' Boys, from the "WhoBob WhatPants" episode in season 5.