The Hollywood Reporter confirmed Thursday that Michelle Williams made roughly one-eighth of Mark Wahlberg's salary on All the Money in the World– and that's before those notorious reshoots.

Williams received a $625,000 paycheck compared to Wahlberg's $5 million. Her performance was nominated for a Golden Globe.

In the film, Williams plays the mother of a kidnapped John Paul Getty III (Charlie Plummer), negotiating with his grandfather (Christopher Plummer) for a ransom that will save the boy's life. Mark Wahlberg is just kind of there.

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When director Ridley Scott got the scheduling green light to reshoot significant portions of the film, replacing Kevin Spacey with Christopher Plummer, most of the cast and crew agreed to do so on principle because of the allegations against Spacey. Williams was paid roughly $1,000 in per diem while Wahlberg's agents argued for $1.5 million because he had casting control. He has since donated this money to Time's Up.

Closing the gender wage gap is central to Time's Up's mission, since unequal salaries inherently contribute to power imbalances in the workplace. Many of the men accused of sexual misconduct over the past several months wielded immense professional power over the women they manipulated, such as Harvey Weinstein's potential to make or break a film career or even Louis C.K.'s clout in the comedy world.

Actresses involved in Time's Up are making the effort to disclose their salaries to one another, and to encourage male colleagues to do the same in the interest of transparency. This is an ongoing struggle with many contributing factors, but will only benefit from communication.