does he have any other career besides voice acting?
Yes, as a guest star in a number of television series episodes.
Dan Castellaneta
Castellaneta has also made guest appearances in a number of television series episodes
who composed "smells like nirvana"? "Weird Al" Yankovic. who is the record label for it? Santa Monica Sound Records. where is the record company based? Santa Monica, California. is "smells like nirvana" an album or a song? A song. who is the video choregrapher of its music video? UNANSWERABLE when did the song start its recording? The song was recorded around January 27, 1992 . and when was the song released? 2 April, 1992. describe a few of its legacies? It finds reference in an episode of  "The Simpsons" show. what are the idioms associated with above mentioned show? Yes, idioms like "cheese-eating surrender monkeys" and "Kids, you tried your best and you failed miserably. The lesson is never try". what was the racial controversy the show had? The stereotypical nature of the character Apu Nahasapeemapetilon . did the show foreshadow any actual events? Yes, a number of events like the  billionaire Donald Trump being President of the United States at one time and leaving the nation broke have been mentioned in it. any comic books on it? Yes, there are many such comics, eg-"Simpsons Comics and Stories". who are the executive producers of the show? Matt Groening and James L. Brooks. name a few characters from the show? Homer, Marge, Bart, Lisa, Maggie , and Grampa Simpson. who is the voice actor for the first character? Dan Castellaneta. where was he from? He is an American of Italian descent who was raised in Illinois. is he alive? Yes. how did he start his voice acting career? By doing voice-over for various radio stations.
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Dan Castellaneta [SEP] Further career
Castellaneta has also made guest appearances in a number of television series episodes. In 1992, he guest-starred in an episode of the legal drama "L.A. Law", as a Homer Simpson meetable character at a California amusement park who is dismissed for inappropriate behavior while in costume. In 2005, he appeared in the episode "Sword of Destiny" in "Arrested Development" as Dr. Stein, a deadpan incompetent doctor.