Source: http://news.yahoo.com/s/ap/20060816/ap_en_ce/obit_kirby

Bruno Kirby, a veteran character actor known for playing the best friend in two of Billy Crystal's biggest comedies "When Harry Met Sally" and "City Slickers," has died. He was 57.

Kirby died Monday in Los Angeles from complications related to leukemia, his wife Lynn Sellers said in a statement Tuesday. He had been recently diagnosed with the disease.

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In 1974, he scored a role in "The Godfather: Part II," which won several Academy Awards, including best picture. In the film, Kirby played young "Pete Clemenza," following Richard S. Castellano's role in the first installment.