Robert De Niro — one of Hollywood’s most outspoken critics of President TrumpDonald John TrumpCummings says Ivanka Trump not preserving all official communications Property is a fundamental right that is now being threatened 25 states could see severe flooding in coming weeks, scientists say MORE — says Democrats need “to be more aggressive” in standing up to the commander in chief.

“The things that Trump has done, if Obama had done one-fiftieth, they’d be all over him,” De Niro said in an interview with The Guardian published Sunday.

“That’s why I feel that Democrats have to be more aggressive,” the Academy Award winner continued.

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While Michelle ObamaMichelle LeVaughn Robinson ObamaMichelle Obama on 'Becoming': 'Sasha still hasn't read it' Michelle Obama seeks volunteers for local campaigns: There are 'no "off" years' Obama condemns 'hatred in all its forms' after New Zealand shooting MORE famously said “When they go low, we go high,” at the 2016 Democratic National Convention, the 75-year-old actor, who plays special counsel Robert MuellerRobert Swan MuellerSasse: US should applaud choice of Mueller to lead Russia probe MORE on “Saturday Night Live,” said he would advise a different approach.

“You’ve got to stand up. You can’t be so gentlemanly all the time because you’ve just got to say: ‘Sorry, I’m nice to a point, then I’ve got to push back.’ ”

In the same interview, De Niro also said he considers Trump a fascist and a white supremacist. 

De Niro has railed against the president in countless interviews and public appearances, saying onstage at last year’s Tony Awards, “F--- Trump!” He has also referred to Trump as a “jerkoff in chief” and a “f---ing idiot.”

Trump has hit back at De Niro in the past, nicknaming him “Punchy” and dubbing him a “very low IQ individual” in a tweet last year.