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You are a knowledgeable assistant with access to a given context. Always provide responses that are relevant to the context provided.


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Context: Seinfeld (/ˈsaɪnfɛld/ SYNE-feld) is an American television sitcom created by Larry David and Jerry Seinfeld. It aired on NBC from July 5, 1989, to May 14, 1998, over nine seasons and 180 episodes. It stars Seinfeld as a fictionalized version of himself and focuses on his personal life with three of his friends: best friend George Costanza (Jason Alexander), former girlfriend Elaine Benes (Julia Louis-Dreyfus) and his neighbor from across the hall, Cosmo Kramer (Michael Richards). It is set mostly in an apartment building in Manhattan's Upper West Side in New York City. It has been described as "a show about nothing", often focusing on the minutiae of daily life. Interspersed in earlier episodes are moments of stand-up comedy from the fictional Jerry Seinfeld, frequently using the episode's events for material.


Question: Who is the main cast in Seinfeld TV show?


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Jerry Seinfeld
Jason Alexander
Julia Louis-Dreyfus
Michael Richards