"We don't know who [leaked the footage]. We have some suspicions, but we don't know," attorney Lisa Bloom said Tuesday.
Two Charles in Charge actors have now made allegations against Baio. He's denied all the claims, describing them as a "horse and pony show."
Bloom denies the allegation.
The celebrity attorney and champion of women's rights spoke about her earlier decision to represent Harvey Weinstein, and her response to the sex assault scandal: "I definitely failed on this one."
The civil rights attorney had spent the last year working with Weinstein, who's allegedly been sexually harassing women for decades.
The radio host's comments added to a chorus of allegations against top-rated O'Reilly and an alleged culture of impunity at Fox News.
The O.C. actor said she is going public in her fight to keep the recordings from being sold, because she wants to protect other women "from the pain and humiliation I have had to experience."
The woman who accuses Donald Trump of raping her at a party when she was 13 has so far remained anonymous. Trump has vehemently denied the allegations.
The actor called the accuser "slime" on Twitter after the legal victory, but it got awkward after the defense attorney responded that her client had actually died.
MSNBC's midday roundtable show The Cycle lost its lone conservative voice when S.E. Cupp jumped ship for CNN and Newt Gingrich, presenting the network with an opportunity to make a bold move and bring some much needed buzz to 30 Rock.