She played a dumb blonde on TV a malapropism-spouting ditz with an IQ almost as skimpy as her nighties but in real life Suzanne Somers was nobodys fool.

In fact, the actress, who died on at age 76 on Oct. 15 after a decades-long battle withbreast cancer, may well have been the smartest thing aboutThrees Company, the racy 70s ABC sitcom that made her and her castmates (Joyce DeWitt, 74, and the late John Ritter, who died in 2003 at 54 of an aortic dissection) stars for a good chunk of that decade.

On camera, her character Chrissy Snow, a law office receptionist with a heart of gold and a brain of mush was the butt of many a sexist, misogynistic put-down.

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But off camera, Somers turned out to be a pioneering feminist who risked her career by fighting for pay equity at a time in Hollywood when pay equity was the biggest sexist joke of them all.

Somers first noticeable role was a brief but eye-catching part in 1973sAmerican Graffiti she was the unnamed beauty in a white Thunderbird who nearly gave Richard Dreyfuss character whiplash followed by equally brief bits on classic 70s shows likeStarsky & Hutch,The Rockford FilesandOne Day at a Time.

She was 30 when, in 1977, she landed her big break onThrees Company, the role that would catapult her to international fame as a sex symbol.

suzanne somers at the 26th annual palm springs international film festival awards gala at the palm springs convention center

She was paid all of $30,000 an episode, or about 20 percent of the $150,000 Ritter was making.

The difference might have been explainable early in the series run after all, the sitcoms plot, such as it was, revolved around Ritters character, Jack Tripper, a girl-crazy straight guy who pretends to be gay so he can share an apartment with a pair of attractive single girls.

But four years into its run, after the show became a hit, and with Somers character developing a fan base of her own, she demanded a bigger piece of the profits.

joyce dewitt suzanne somers and john ritter sitting on a couch in a scene from three’s company

She wanted to be paid what Ritter was getting, or at least a sum comparable to the salaries of other male stars in the 1970s.

When ABC countered by offering to bump her paycheck by a mere $5,000 per episode, Somers retaliated by missing two tapings.

ABC unceremoniously fired her and brought in actress Jenilee Harrison as a replacement (as Cindy Snow, Chrissys equally ditzy cousin).