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The actor's son Adam says his father died Monday afternoon in Los Angeles.

In the 1970s sitcom "The Odd Couple," Klugman played sloppy sports writer Oscar to co-star Tony Randall's Felix, a fussy photographer. In "Quincy, M.E.," which aired from 1976 to 1983, Klugman played an idealistic, tough-minded medical examiner.

Klugman lost his voice to throat cancer in the 1980s but trained himself to speak again. He returned to acting in a 1993 Broadway revival of "Three Men on a Horse."

Klugman split his time between TV, movies and the New York stage. In his later years he guest-starred on TV series including "Third Watch."