Suggestions by @mikeypascual

Tim Roth

as Marn Hierogryph in Knights of the Old Republic (2006 - 2007 adaptation)

Liv Tyler

as Jarael in Knights of the Old Republic (2006 - 2007 adaptation)

Hugh Jackman

as Dessel in Darth Bane: Path of Destruction (2001)

Hugh Jackman

as Darth Bane in Star Wars: Jedi vs. Sith (2001 adaptation)

Billy Dee Williams

as Duncan Makenzie in Imperial Earth (1975 adaptation)

Arthur C. Clarke

as Writer in Imperial Earth (1975 adaptation)

F. Murray Abraham

as 1990s in Actors who could be or could have been the Collector

Alan Rickman

as 1990s in Actors who could be or could have been the Collector

Ricardo Montalban

as 1970s in Actors who could be or could have been the Collector

Christopher Lee

as 1970s in Actors who could be or could have been the Collector

José Ferrer

as 1960s in Actors who could be or could have been the Collector

Stellan Skarsgård

as 2000s in Actors who could be or could have been Malekith the Accursed

Sadie Sink

as Jean Grey (MCU) in Marvel Cinematic Multiverse

Tom Baker

as 1980s in Actors who could be or could have been Malekith the Accursed

Peter O'Toole

as 1980s in Actors who could be or could have been Malekith the Accursed

Julian Glover

as 1980s in Actors who could be or could have been Malekith the Accursed

Jonathan Pryce

as 2000s in Actors who could be or could have been Malekith the Accursed

Lars Mikkelsen

as 2010s in Actors who could be or could have been Malekith the Accursed

Mads Mikkelsen

as 2010s in Actors who could be or could have been Malekith the Accursed

Alan Rickman

as 1990s in Actors who could be or could have been Malekith the Accursed