A letter signed by stars including Emma Thompson, Naomie Harris and Jodie Whittaker talks of "a world ripe for change".
It is being viewed as the UK's response to the US Time's Up campaign, which emerged from the sexual abuse allegations against Hollywood producer Harvey Weinstein.
The entertainment industry officials behind the new organisation aim to establish a network to provide expert support and advice to victims of various types of misconduct, and help fund "game-changing legal cases that can help improve laws and policies and create a safer future for us all".
We believe we need to use our power as communicators and connectors to shift the way society sees and treats us.
Women in attendance at the London-based Bafta Awards show on Sunday (18 February) are expected to wear black while walking down the red carpet to show solidarity with victims.
Meanwhile, 190 leading female members of the United Kingdom and Ireland entertainment industry signed an open letter titled "Sisters, this is our moment to say Time's Up".
The letter was released to coincide with tonight's BAFTAs and says the awards should "celebrate this tremendous moment of solidarity and unity across borders by coming together and making this movement international".
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If you're not clued up on the Time's Up movement yet, where have you been hiding?
Emma Watson, famous for her role in the Harry Potter films and unrelenting political activism especially when it comes to feminism, donated $1.4 million to a British fund which will support women facing abuse in the workplace.
It concludes: "If you have said "time's up", if the stories you have read in the papers have resonated and distressed you - join us in shifting the dial. Let's make 2018 the year that time was up on sexual harassment and abuse".
Dame Kristin Scott Thomas and Kate Winslet are the latest Hollywood actors to sign an open letter standing with the Time's Up movement in calling for an end to harassment, abuse, and impunity in a world "ripe for change". "This is your moment too".
According to The Observer, Andrea Riseborough will walk into the BAFTA ceremony with trade unionist Phyll Opoku-Gyimah, who is also co-founder of UK Black Pride.
The letter calls for "collective power" in bringing the Time's Up movement to workers across all industries "in the limelight or the shadows" to galvanise others and invite supporters to donate to their new fund.