Chastain says the incident taught her to stand up for herself, explaining: “I always look back on that moment as knowing that, OK, if anything happens to me, I’m capable of fighting back.

“If you allow a bully to intimidate or victimise you, they’ll continue to do it. Bullies are actually weak; they don’t go after strong people.”

This revelation made Chastain aware of her own strength – and, over time, she has used that same strength to fight on behalf of others in need. She is a fierce advocate for social change and women’s rights, one of the founders of We Do It Together (a non-profit production company dedicated to the empowerment of womankind), and a firm supporter of the Time’s Up initiative, too.

Most recently, she led the charge against Mark Wahlberg when she learned that he had been paid $1.5 million for reshooting his scenes in All the Money in the World, while his female co-star, Michelle Williams was paid an $80 per diem totalling less than $1,000.

That works out to Williams being paid less than 1% of her male co-star.

Keen to draw this discrepancy to the media’s attention, Chastain tweeted: “I heard for the reshoot she got $80 a day compared to his MILLIONS. Would anyone like to clarify?”

“I really hope that with everything coming to light, she was paid fairly. She’s a brilliant actress and is wonderful in the film.”

How Jessica Chastain’s troubled childhood taught her to stand up to bullies