'They are the real stewards of our country’s soul': Jake Gyllenhaal reflects on attending Women's March with sister Maggie

PUBLISHED: 23:22 EST, 22 January 2017 | UPDATED: 23:33 EST, 22 January 2017

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Jake Gyllenhaal is speaking out.

The Oscar-nominated actor on Saturday was among the many famous faces spotted in the crowd in Washington, D.C. as he walked for women's rights with his actress sister, Maggie Gyllenhaal.

On Sunday, the 36-year-old star took to Facebook to reflect on the lessons he gleaned after attending the historic gathering, one of many that took place a day after President Donald Trump's swearing-in to the Oval Office.

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Solidarity: Jake Gyllenhaal, 36, reflected Sunday on Facebook about his experience attending the Women's March in the nation's capital a day before

'I was so proud to stand with the women, men and children at yesterday’s #WomensMarch on Washington,' said the movie star, whose catalog includes films such as Brokeback Mountain, End of Watch and Jarhead.

'After months of fear and shame, the gathering was full of joy, defiance and hope.'

Jake said that in attending the mass demonstration, 'It was more clear than ever that women are the real stewards of our country’s soul.

'I will continue to follow their lead and show up' for similar events in the future, he said.

Sibling support system: The Southpaw star posed with his sister Maggie Gyllenhaal at the demonstration on Saturday

Fashion statement: The star wore buttons that read, 'Women Are Powerful and Dangerous,' and 'Deeds Not Words'

Jake accompanied the upbeat post with a shot of himself at the march, as he held a sign parodying the reality star-turned-commander-in-chief that read, 'I make the best signs. They’re terrific. Everyone agrees.'

He made a fashion statement on the day as well, wearing a pair of buttons that read, 'Women Are Powerful and Dangerous' and 'Deeds Not Words.'

The actor was a major supporter of Democratic nominee Hillary Clinton throughout the last election cycle, paying homage to her as he presented at June's Tony Awards when he referenced her win in the party primaries over Sen. Bernie Sanders.

Staying true to his ideals: The Hollywood standout was an ardent supporter of Hillary Clinton throughout the previous election cycle

Low key: Jake, one of many celebs at the function, tried to blend into the crowd in a beanie and dark sunglasses

As he read out the winner of the Best Performance by an Actress in a Featured Role in a Play category, the star said, 'As Hillary Clinton showed us this week, women can do anything.'

He also appeared in her support at a celeb-laden October fundraiser in New York City dubbed Stronger Together.

More than one million people took to the streets of cities around the globe a day after the inauguration of the new commander-in-chief, who infamously bragged to (now-deposed) TV host Billy Bush on a 2005 recording that his fame entitled him to grab women by their genitals.

Giving a hand: The Nightcrawler actor clapped amid the proceedings, which included a moving speech from Alicia Keys

'You know I’m automatically attracted to beautiful [women] ...

'I just start kissing them. It’s like a magnet. I just kiss, I don’t even wait,' the President said in the audio recording, which was publicly leaked in October.

'And when you’re a star, they let you do it. You can do anything.'