You have an unlimited budget, and you can cast any actor, living or dead. What is your film about and who do you cast?
English
#Offtopic
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A Star Wars movie set in (you guessed it) the prequel era, focused around the 501st and Rex specifically. It would essentially be a Rogue One-esque movie with no Jedi and focused only on the actual war. And since he deserves it so badly, it would have General Greivous getting his own Rogue One Hallway scene