The Rings of Power: Sauron actor didn't realize who he was playing until filming - Meristation

Studios’ production based on The Lord of the Rings wanted to keep the mystery amongst the cast until the reveal was filmed.

The Lord of the Rings: The Rings of Power's Sauron Actor Responds to the Finale Reveal - IGN

Old guy said the star-fall was a sign of Sauron's return. Really sounds like Meteor Man could be Sauron even though I don't think so personally. : r/LOTR_on_Prime

Why Rings Of Power Season 1 Is Not Really About Sauron

Nintendo DS Video Game Underworld

The Rings Of Power's Sauron Actor Didn't Know His Identity Until Later, But Was 'Suspicious

LOTR: Rings Of Power's Sauron Actor Didn't Know He Was Sauron Until Episode 3, Reveals Season 2 Details - GameSpot

The Lord of the Rings: The Rings of Power's Sauron Actor Responds to the Finale Reveal - IGN

Rings Of Power's Charlie Vickers On Sauron Reveal & Clues We Missed – Deadline

Rings of Power star learned they were playing iconic Lord of the Rings villain after filming began