Honorable Mentions

James Sweeney, Twinless
Lee Byung-hun, No Other Choice
Will Arnette, Is This Thing On?
Joel Edgerton, Twin Dreams
Wagner Moura, The Secret Agent
Ethan Hawke, Blue Moon
Joaquin Phoenix, Eddington
Josh O'Connor, The Mastermind & Wake Up Dead Man: A Knives Out Mystery
Robert Pattinson, Mickey 17

I almost gave this one to Dylan O'Brien, who just dazzled in wildly different [twin] roles in Twinless; but Bugonia would not have worked at all without the layers and flavor that Plemons brought to it. I've sometimes been hit or miss with Plemons, but when he hits for me he HITS, and I expect this to be perhaps my favorite performance he'll ever do, so... here's his moment!