Actor Mark Wahlberg has given away the $1.5 million (£1m) he made for the reshoots on All the Money in the World, after it was revealed that his co-star Michelle Williams was paid just $80 a day for the extra work.
The additional scenes had to be refilmed after Kevin Spacey was removed from the finished film following the allegations of predatory sexual behaviour which had been made against him.
In a post on his official Twitter page, Wahlberg wrote: "Over the last few days my reshoot fee for 'All the Money in the World' has become an important topic of conversation. I 100% support the fight for fair pay and I'm donating the $1.5M to the Time's Up Legal Defense Fund in Michelle Williams' name."
In the 16 hours since posting, the tweet has been liked over 34,000 times and has been flooded with comments from people praising the actor for his actions.
Wahlberg's co-star Williams has since responded to the gesture - in a statement, released on Twitter, she says: "Today isn't about me. My fellow actresses stood by me and stood up for me, my activist friends taught me to use my voice, and the most powerful men in charge, they listened and they acted.
"If we truly envision an equal world, it takes equal effort and sacrifice. Today is one of the most indelible days of my life because of Mark Wahlberg, WME and a community of women and men who share in this accomplishment.
"Anthony Rapp, for all the shoulders you stood on, now we stand on yours."
The agency that represents Wahlberg, WME, has also donated $500,000 to the Time's Up campaign.
In a statement, it said: "The current conversation is a reminder that those of us in a position of influence have a responsibility to challenge inequities, including the gender wage gap.
Michelle Williams' reaction to Mark Wahlberg's donation: pic.twitter.com/iDIzLwangf
- Amy Kaufman (@AmyKinLA) January 14, 2018
"In recognition of the pay discrepancy on the All The Money In The World reshoots, WME is donating an additional $500,000 to the Time's Up Legal Defense Fund in Michelle Williams' name, following our pledge to the organisation earlier this month.
"It's crucial that this conversation continues within our community and we are committed to being part of the solution."
The Time's Up campaign is a movement founded in response to a number of sexual harassment and abuse allegations made within the film industry.
At the Golden Globes last weekend, many stars chose to wear black in a sign of solidarity along with Time's Up badges.