What if Ian Mcdiarmid said no to reprising his role as Palpatine for The Rise of Skywalker?

Title says all.

Then they'd have gotten someone else to play him.

BoD wrote:Then they'd have gotten someone else to play him.

Who? You think they're that desperate?

CGI solves all, they'd probably cast Sam Witwer or Tim Curry to voice him.

Tim Curry did a great job at voicing Sidious, Sam Witwer's impression didn't sound quite right,but even fans that only watch the movies would notice that Palpatine is being voiced by a different guy.

Hopefully they would have just done what they should have done from the start, and kept Snoke as the 'big bad'.