Joanna Moore
American actress (1934-1997)
Joanna Moore (born Dorothy Joanne Cook; November 10, 1934 – November 22, 1997) was an American film and television actress, who, between 1956 and 1976, appeared in 17 feature films and guest-starred in nearly a hundred television series episodes. After 1976, personal problems derailed her career and she landed only two minor film roles.
From 1963 to 1967, she was married to actor Ryan O'Neal, with whom she had two children, Griffin O'Neal and Tatum O'Neal.
Moore's career hit its peak in the 1960s. During that time, she guest-starred in several popular shows, including Alfred Hitchcock Presents, Perry Mason, The Fugitive, Bewitched and The Real McCoys. One of her recurring roles was as Sheriff Andy Taylor's love interest, Peggy "Peg" McMillan in four episodes of The Andy Griffith Show, from 1962 to 1963. Moore was a guest star in such television Westerns as The Rifleman, Wagon Train (S1E2 & S7E25), Gunsmoke (title character in three episodes: S5E21's "Coleen So Green", S5E39's "Cherry Red" and S10E34's "Honey Pot"), The Rebel, The High Chaparral, The Wild Wild West and The Virginian. By the 1970s, her career began to wane because of her drug and alcohol addictions. Moore made her final onscreen appearance in 1986, and died of lung cancer in 1997.
Early life
Moore was born as Dorothy Joanne Cook in Americus, Georgia.
This brief starts where responsible research should: with the source description of “Joanna Moore” as american actress (1934-1997). Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the people & ideas register because the source frames it as american actress (1934-1997). Its deeper value depends on whether names, dates, institutions and citations support that framing.
Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Sep 12, 2026. The linked authority identifier is Q3720497. VIAF identifies the subject as 29145382. The Library of Congress control number is no98029050. 2 of 3 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1934, 1997, 1956 and 1976.
Later biographies can compress uncertainty and repeat inherited reputations, so apparently settled claims may still require comparison. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Joanna Moore” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.