You forgot his magnum opus, playing the Emperor of the First Circle of the Universe, in Starcrash.
Jeffrey Combs, while maybe not being Gary Oldman level talent, has played a legion of Sci Fi characters, often in prosthetics, sometimes just as a voice actor. Sympathetic aliens, mad scientists, historical figures, etc. I often will see some weird alien in a show and question whether it is Jeffrey Combs again.
https://imgur.io/We9QIJ9
Pretty sure the polar opposite of Steve Rogers is this guy:
Which, also, brings up Hugo Weaving. Elrond, Red Skull, and Mitzi Del Bra? Pretty good range, there.
I feel like you’re missing a big one there, Mister Miller.
And V, of course. Guy can act without showing his face.