The film made headlines past year when Scott chose to re-shoot Kevin Spacey's scenes following allegations of sexual harassment against the actor.
"Over the last few days my reshoot fee for All The Money in the World has become an important topic of conversation".
William Morris Endeavor has already donated US$1 million to the fund; inclusive of the new donations, a total of US$3 million has been poured into the fund, which plans to provide legal support to people in all workplaces fighting sexual harrassment and inequality cases.
"It is crucial that this conversation continues within our community and we are committed to being part of the solution", the statement said.
Wahlberg, on the other hand, was named by Forbes as the highest paid actor of 2017, raking in $68 million pre-tax.
This new development offers a new wrinkle to the previous reporting about this exorbitant pay gap situation.
The actress, who plays the kidnapped boy's mother in the film, previously told the newspaper about her reaction when director Ridley Scott's team called her to return to the set during Thanksgiving: "I said I'd be wherever they needed me, whenever they needed me".
Williams said in multiple interviews while promoting the film that she had agreed to work for free on the reshoot, claiming she felt invigorated to be taking a pro-active stance in the wake of the Spacey allegations while helping Scott save the film.
Neither reps for the actors involved, WME nor Wahlberg's lawyer have commented as of yet. And they could have my salary, they could have my holiday, whatever they wanted.
'I'm so much more interested in what you have to say than what I have to say, ' Williams told reporters about her date on the red carpet.
Since its release two weeks ago, All The Money In The World has amassed $28.2 million worldwide at the box office.