One of the things I enjoyed most about Gleeson's Trump was the hint of Brando's Don Corleone in his accent. Since Gleeson is not American, we must assume that his accent was entirely artificial, i.e., nothing about it can be dismissed as "his" voice.

I am not alone in this pick-up. Indeed, because I know better than to think I'm the only person who has said a particular thing on the Web, I looked it up. Ta-da! https://www.esquire.com/uk/culture/a33465900/donald-trump-james-comey-brendan-gleeson-release-date/