The ThumbScore for Ian McDiarmid (88.5%) is the average audience approval rating across 7 films. Each movie's ThumbScore represents the percentage of real audiences who rated it positively. A higher score means more of Ian's films are well-received by everyday viewers.
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
Born 1944-08-11 in Carnoustie, Tayside, Scotland, UK.
On ThumbScore, Ian McDiarmid appears in 7 films with an average audience score of 88.5%, most frequently in the Adventure genre.
Sources: TMDB