You surely know Gary Oldman as a master of transformation, capable of playing anyone from Dracula to Winston Churchill. But which role does the actor himself consider the pinnacle of his career? And no, it's not the iconic antagonist from “Léon” Norman Stansfield, nor Commissioner Gordon from “The Dark Knight.” Oldman, it turns out, is most proud of Lee Harvey Oswald.

Source:
imdb.com
Creative Freedom and "Frightening Accuracy"
Oldman admitted that working on the role of Oswald was an "exceptional experience" for him. The character was sketched rather sparingly in the script, and Stone gave the actor carte blanche:The opportunity to "create" the character himself, to breathe life into him, made this role special for the actor. He literally immersed himself in the image, studied Oswald's biography, his manners, and tried to understand his motives.He gave me some money and a few plane tickets and said, 'You know, just go and find out who this guy was. So I was both an actor and an investigator.'

Source:
imdb.com
An intelligence agent whom the U.S. government accuses of killing Kennedy. At first, the idea seems absurd because we are used to thinking that this person killed the president, but it quickly becomes plausible when you watch Oldman's performance.
What is the film about?
"JFK" is not a traditional biopic but rather a political thriller investigating the circumstances surrounding the assassination of the 35th President of the United States. At the center of the plot is New Orleans District Attorney Jim Garrison (Kevin Costner), who, doubting the official lone assassin version involving Lee Harvey Oswald, begins his own investigation.What Do Viewers Think?
Viewers share Oldman's opinion about his best role. One of them notes:Many, like ElMaruecan82, admit that the film is a masterpiece with "excellent cinematography, good acting, and an original plot."Reviewer pacific-oconnor from ImdbGary Oldman is a frighteningly accurate portrayal of Lee Harvey Oswald. For movie lovers, history buffs, pop culture fans, and conspiracy theorists alike, it's a must-have.
Critic Casa2000 even calls the film "one of the most important American films ever made," highlighting the director's skill in achieving great performances from the entire cast. Years after its release, the film is considered one of the highest-rated works featuring Oldman. The film's IMDb rating is 8.0 out of 10. It managed to surpass "Harry Potter and the Prisoner of Azkaban" (7.9), "The Fifth Element" (7.6), "Dracula" (7.4).
What other roles of Oldman, in your opinion, deserve more recognition?