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Each and every time a new James Bond movie comes to the big screen, media everywhere take a loving look back, celebrating the mix of action, intrigue and wry, near-cartoonish sexuality that have always defined the franchise. One constant in any discussion of the movies, meanwhile, is the concept of the Bond Girl — the (often-little-known) actress who, in each new film, serves as catnip to Bond’s libido.
The voluptuous Swiss actress Ursula Andress is invariably cited as the “first Bond Girl,” and her initial appearance in Dr. No (1962) — walking out of the sea in a white bikini — is rightly touted as one of the most eye-popping entrances in movie history.
It’s worth pointing out, however, that while Andress was the first big-screen Bond Girl, another actress — largely forgotten today but well-known in the 1940s and ’50s — can lay claim to truly originating the onscreen Bond Girl persona.
Discovered in her native Mexico by the film star Errol Flynn, who reportedly became her lover and convinced her to move to Hollywood when she was barely out of high school, Linda Christian starred as “Valerie Mathis” in a TV adaptation of Ian Fleming’s first Bond novel, Casino Royale, in 1954 — almost a full decade before Andress starred as Honey Ryder in Dr. No.
In that 1954 Royale, none other than Peter Lorre played Le Chiffre, while Bond (called “Jimmy” Bond throughout!) was played by the likeable and, it must be said, not-very-debonair American actor, Barry Nelson.
Linda Christian’s life and career before landing the Mathis role was fairly dramatic in its own right. She was married to the movie star Tyrone Power for seven years, from 1949 to 1956, which in and of itself made her something of a household name. Her first significant national exposure, meanwhile, came in the pages of none other than LIFE magazine in 1945.
The Sept. 3, 1945, issue of LIFE introduced Linda Christian to its millions of readers this way:
A few things to note about that little write-up: first, LIFE called her Linda “Christians,” instead of “Christian.” Second, her given name was Blanca Rosa, not Rose, Welter. Third, Christian actually had appeared in a few “pictures” by the time she graced the pages of LIFE — albeit she went uncredited in her first four movies.
Christian’s marriage to Power was a match made in gossip-page heaven. She was 26 when they wed; he was 35. Before then she was best-known for her supporting role in the 1948 , Tarzan and the Mermaids. He was a bone fide movie star and leading man, a huge box office draw, a decorated WWII veteran and one of the few matinee idols of the ’30s and ’40s who constantly sought meatier, grittier film roles than the standard “pretty boy” are he was used to, while also spending significant time away from Hollywood to appear on the stage in London and on Broadway. He and Christian had two children together before their divorce in 1956. Tyrone Power died of a heart attack in 1958 when he was just 44 years old.
Linda Christian continued to act, although somewhat irregularly and more often than not in (terribly received) foreign films, well into the 1980s. She was married once more, to another actor, for a year in the early 1960s, and died in 2011 in Palm Desert, Calif., at the age of 87.
Liz Ronk, who edited this gallery, is the Photo Editor for LIFE.com. Follow her on Twitter at @LizabethRonk.