who were the other actors to lend their voice?
Tom Kenny, Bill Fagerbakke, Rodger Bumpass, Clancy Brown, Mr. Lawrence, Jill Talley, Carolyn Lawrence, Mary Jo Catlett, and Lori Alan.
SpongeBob SquarePants
"SpongeBob SquarePants" features the voices of: Tom Kenny, Bill Fagerbakke, Rodger Bumpass, Clancy Brown, Mr. Lawrence, Jill Talley, Carolyn Lawrence, Mary Jo Catlett, and Lori Alan. 
when did spongebob start working at the krusty krab After he fulfils the task given by Mr. Krabs. what is referred as help wanted? It is the pilot episode of the American animated television series "SpongeBob SquarePants". when was it aired? May 1, 1999 who did its background score? Tiny Tim who is the creator of the mentioned series? Stephen Hillenburg who are its characters? SpongeBob SquarePants, snail Gary, Patrick Star, Mr.Krabs, to name some. who was cast for this first character? Tom Kenny voices SpongeBob
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SpongeBob SquarePants [SEP] Voice actors
"SpongeBob SquarePants" features the voices of: Tom Kenny, Bill Fagerbakke, Rodger Bumpass, Clancy Brown, Mr. Lawrence, Jill Talley, Carolyn Lawrence, Mary Jo Catlett, and Lori Alan. Most one-off and background characters are voiced by: Dee Bradley Baker, Sirena Irwin, Bob Joles, Mark Fite and Thomas F. Wilson. Kenny voices "SpongeBob SquarePants" and a number of other characters, including SpongeBob's pet snail Gary and the French narrator. He also physically portrays Patchy the Pirate in live-action segments of most special episodes. Kenny previously worked with Stephen Hillenburg on "Rocko's Modern Life". When Hillenburg created "SpongeBob SquarePants", he approached Kenny to voice the main character.