“It’s the banality of evil,” the actor says at the film’s Cannes press conference.

“It’s the thing that we have to watch out for.”

“But people do things.

Donald Trump Robert de Niro

Robert De Niro; Donald Trump.Stephane Cardinale - Corbis/Corbis;Jeff J Mitchell/Getty Images

He has to be charming, he has to win people over.

Part of him is sincere.

It’s just the other part where he’s betraying [the Osage community].

Killers of the Flower Moon

Robert De Niro and Leonardo DiCaprio in ‘Killers of the Flower Moon’.Apple TV+

There’s a feeling of entitlement.

And so that’s what it is.

He continued, “So it’s the banality of evil.

It’s the thing that we have to watch out for.

Because that guy is stupid.

Imagine if you’re smart.

Even Hale was smart in many ways.

And so, it’s something that is systemic, and that’s the scary part about it.”

We see what that is.

And there are people who think that he could do a good job.

How insane that is.”

With additional reporting by Carita Rizzo.

Want more movie news?