He also directed more than 20 series of the Eastwood starring Western "Rawhide."
In the 1960s, he directed episodes of "Twilight Zone," "The Defenders," "Combat!" and "Peyton Place."
The 1973 film "Magnum Force" was the first of the "Dirty Harry" sequels. Post also helmed features "Beneath the Planet of the Apes," "The Harrad Experiment" and "Go Tell the Spartans," as well as the TV series "Rich Man, Poor Man -- Book II" and the 1986 TV movie of "Stagecoach."
Born in Brooklyn, Post was a theater usher before studying acting, but then moved into directing, starting onstage.
He is survived by his wife Thelma, a daughter, a son, four grandchildren, a brother and a sister.
Services are planned for 1 p.m. Friday at Mt. Sinai Memorial Park, 5950 Forest Lawn Dr., Los Angeles.
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