Ian McDiarmid

Ian McDiarmid (born 11 August 1944) is a Scottish actor and director best known for portraying Emperor Palpatine in the Star Wars film series. He has received an Olivier Award for Best Actor and a Tony Award for Best Featured Actor in a Play for his performances. Wikipedia
Cast

Star Wars Rebels: The Siege of Lothal
Emperor Palpatine (voice)

Dirty Rotten Scoundrels
Arthur

Dragonslayer
Brother Jacopus

Return of the Jedi
The Emperor

Star Wars: Episode I - The Phantom Menace
Senator Palpatine

Star Wars: Episode II - Attack of the Clones
Chancellor Palpatine

Star Wars: Episode III - Revenge of the Sith
Chancellor Palpatine / Darth Sidious

Sleepy Hollow
Dr. Lancaster

Macbeth
The Porter / Ross

The Awakening
Dr. Richter

Star Wars: A Musical Journey
Host

Crime and Punishment
Porfiry

Obi-Wan Kenobi: A Jedi's Return
Self - Emperor Palpatine

Annie: A Royal Adventure
Dr. Eli Eon
The Odds
Unknown

All the King's Men
Rev. Pierrepoint Edwards

Margaret
Denis Thatcher
Last Night Another Dissident...
Fedka

Richard's Things
Burglar
Our Hidden Lives
B. Charles

The Likely Lads
Vicar

Star Wars: Evolution of the Lightsaber Duel
Self

Star Wars: Greatest Moments
Self

The Beginning: Making Episode I
Self

Hillsborough
Doctor Popper, Coroner

Restoration
Ambrose

Great Expectations
Jaggers

Sir Henry at Rawlinson End
Reg Smeeton

The Story of Star Wars
Palpatine/The Emperor (archive footage)

The Lost City of Z
Sir George Goldie

Chernobyl: The Final Warning
Dr. Vatisenko

The Adventures of Young Indiana Jones: Demons of Deception
Prof. Levi

Amazing Stories
Blade

Star Wars: The Rise of Skywalker
Emperor Palpatine

Gorky Park
Professor Andreev

Sleepy Hollow: Behind the Legend
Self

The Skywalker Legacy
Self

Heart of Darkness
Doctor

Pity in History
Murgatroyd

The Empire Strikes Back
Emperor (Special Edition)