The actress claims that she chose not to disclose her age when signing up for an account on IMDb's subscription service 'Pro', but someone else edited her account to add her date of birth.
She has accused both IMDb and parent company Amazon of breech of contract, fraud, and violation of privacy and consumer protection laws. She is asking for in excess of $1m in punitive damages as well as $75,000 in compensatory damages.
IMDb and Amazon haven't commented on the lawsuit.
She insisted that she tried to get IMDb to remove any reference to her age, but the company's refusal caused her to miss out on several acting roles.
"If one is perceived to be 'over the hill', ie approaching 40, it is nearly impossible for an up-and-coming actress, such as the plaintiff, to get work as she is thought to have less of an 'upside'," the unnamed woman said in court filings, according to The AP.
John W Dozier Jr, attorney for the actress, said the suit could force internet databases to rely solely on first-hand sources of information if it is successful.
"The number of claims that could be asserted against them would overwhelm them," Dozier claimed.
IMDb was launched on October 17, 1990 to provide information on actors, film and television productions and entertainment companies.
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