John Eimen, who appeared in dozens of late 1950s and 1960s series including “Leave It to Beaver” and “The Twilight Zone,” has died. He was 76.

The actor’s family said that Eimen died on Friday at his home in Mukilteo, Washington, following a prostate cancer diagnosis he received in September, according to USA Today .

Born on Oct. 2, 1949 in Chicago, Eimen was discovered when an agent visited him in a Los Angeles-area classroom. He began working at 6 years-old as a classmate of Theodore Cleaver in the premier episode of “Leave It to Beaver.” He then went on to guest star on the show throughout its run.

Eimen also appeared on “Lassie, Fury,” several westerns and worked with Frank Sinatra multiple times, Parade wrote.

Aside from his acting career, Eimen was a model and became recogniz

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