he is not a voice on spongbob. but he guest starded in one episode called ''THE BIG ONE''
None of those people did themselves, but their characters did guest star in the show. The Addams Family appeared in the episode "Wednesday is Missing". Carolyn Jones voiced Morticia Addams, John Astin voiced Gomez Addams and Jackie Coogan voiced Uncle Fester in the episode.
Yoda is a puppet in episode one, and is computer-animated in episodes 2 and 3. He is voiced by Frank Oz, who has voiced him for all six movies.
South Park co-creator Trey Parker voiced Mickey in the episode, "The Ring".
The late Japanese-American actor Mako (Makoto Iwamatsu) played the voice of Iroh for the first two seasons of Avatar: The Last Airbender. After Mako died of cancer, Greg Baldwin voiced Iroh for all of Season 3.
Squidward Tentacles is voiced by Rodger Bumpass.
Rodger Bumpass (born 1956). He was also in The Jetsons, Teen Titans, and Invader Zim.Squidward is voiced by Rodger Bumpass, who also provides the voice of several minor/supporting characters.
he is not a voice on spongbob. but he guest starded in one episode called ''THE BIG ONE''
Alec Baldwin voiced Dennis in "The SpongeBob SquarePants Movie."
He is voiced by Tim Conway.
he voiced the central character; spongebob squarepants basically he is the voice of spongebob
TheNarratoris voiced by Tom Kenny.
He voiced Dennis the guy that Plankton hired to get rid of Spongebob and Patrick.
Alec Baldwin voiced Dennis the Hitman .
Alec Baldwin voiced Dennis the Hitman .
Patrick Star is voiced by Bill Fagerbakke
Cat was voiced by Jim Cummings, and Dog by Tom Kenny, who is also the voice of SpongeBob SquarePants and the Penguin on 'The Batman'.