Decades after the events in question, a claim surfaced that pulled Anne Bancroft into classic mid-century Hollywood bedroom gossip. In her 2010 memoir Tales of a Hollywood Housewife, Betty Marvin—ex-wife of actor Lee Marvin—asserted that Marvin had an affair with Bancroft while the two co-starred in Gorilla at Large (1954) and A Life in the Balance (1955). The timeline is combustible on paper: Bancroft had married Martin May in 1953, separated in 1955 and divorced in 1957, and Lee Marvin was a rising tough–guy star in that era. But the allegation is a posthumous, single-source accusation published over half a century later and has not been corroborated by contemporaneous records or those involved; it sits in the category of salacious Hollywood claims that stir curiosity but resist firm verification. The disclosure generated curiosity and headlines when it appeared, but it produced no documented legal fallout or changed standing for Bancroft, who maintained a private life and married Mel Brooks in 1964.
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