It's hard not to think of these actors when it comes to these roles...
Marlon Brando is, without contest, one of the most influential actors in Hollywood history, and his exceptional performance as Don Vito Corleone is certainly a defining achievement. His quiet, controlled portrayal in The Godfather series helped create one of cinema's most iconic characters. | © Paramount Pictures/Alfran Productions
Robert Downey Jr. had already built an interesting career before joining the expansive Marvel Cinematic Universe, but his portrayal of billionaire genius Tony Stark changed everything. His charismatic, sarcastic take on Iron Man became one of the defining performances of the superhero era and made the character almost inseparable from the actor himself. | © Marvel Studios/Walt Disney Studios Motion Pictures
Reese Witherspoon made Elle Woods an icon in Legally Blonde. Her remarkable performance balanced the character's bubbly personality with genuine intelligence and cunning determination. As a whole, this turned Elle into an enduring pop-culture icon and one of Witherspoon's most beloved movie roles. | © Metro-Goldwyn-Mayer/Marc Platt Productions
This may be a bit of a rogue shout, but we think it's thoroughly deserved. J.K. Simmons has appeared in everything from dramas to comedies and animation, but his over-the-top, explosive performance as J. Jonah Jameson in the many Spider-Man films over the years has become iconic. His version of the demanding newspaper editor became so popular that Marvel eventually brought him back for the MCU. | © Columbia Pictures/Marvel Enterprises
Anthony Hopkins has had an extraordinary career, but his terrifyingly calm performance as the cannibalistic Hannibal Lecter remains unforgettable. Despite appearing for only a relatively short time in The Silence of the Lambs, Hopkins managed to add significant depth to the character, making Lecter one of cinema's most chilling villains. | © Strong Heart Productions/Orion Pictures
For an entire generation, Daniel Radcliffe was Harry Potter. He grew up playing the young wizard across eight films, which has naturally made his face synonymous with one of the most recognizable characters in movie history. Despite taking on many different roles since then, the wizard otherwise known as "The Boy Who Lived" remains the actor's most defining character. | © Warner Bros. Pictures/Heyday Films
Hugh Jackman has played plenty of incredible characters in his illustrious career, but Wolverine is easily his most iconic role. His portrayal of the gruff mutant has stretched across nearly two decades and has become so definitive that it is difficult to imagine anyone else wearing the claws. | © Marvel Studios/Walt Disney Studios Motion Pictures
Mark Hamill has enjoyed a remarkable career, especially as a talented voice actor, but Luke Skywalker is still the role most people would associate him with. His journey in the universally beloved Star Wars franchise, which saw him turn from a simple farm boy to a Jedi master, is arguably one of cinema's most recognizable hero stories. | © Lucasfilm Ltd./20th Century-Fox
Judy Garland became forever associated with Dorothy Gale after starring in the 1939 original production of The Wizard of Oz. Her warmth, innocence, and unforgettable rendition of "Over the Rainbow" helped make Dorothy one of the most beloved characters in film history, with Garland's performance remaining iconic even nearly a century later. | © Metro-Goldwyn-Mayer
Johnny Depp has played dozens of unusual characters, such as Willy Wonka and Edward Scissorhands, but Captain Jack Sparrow may always be his most recognizable. His eccentric performance in the long-running Pirates of the Caribbean franchise transformed the character into a pop-culture phenomenon and even earned him an Oscar nomination in 2004. | © Walt Disney Pictures/Jerry Bruckheimer Films
Harrison Ford has played Han Solo, Deckard, and countless other memorable characters, but Indiana Jones occupies a special place in his filmography. The adventurous archaeologist became one of his signature roles and remains one of the most recognizable movie heroes ever created. | © Lucasfilm Ltd./Paramount Pictures
Sigourney Weaver turned Ellen Ripley into one of cinema's greatest action heroes. Her performance in the original Alien and its sequels helped establish Ripley as a tough, intelligent, and deeply human protagonist. Her stellar performance will forever link Weaver with the science-fiction icon. | © 20th Century Fox/Brandywine Productions
Heath Ledger's performance as the Joker in The Dark Knight became a celebrated villain performance that will undoubtedly go down in modern cinema history. His unsettling mannerisms, unpredictable energy, and chilling interpretation of the chaotic character earned the actor a posthumous Academy Award and made the role inseparable from his legacy. | © Warner Bros. Pictures/Syncopy
Ian McKellen has portrayed Shakespearean characters, villains, and superheroes, but playing the wizard known as Gandalf is arguably the role that introduced him to an entirely new generation. His commanding performance in The Lord of the Rings and The Hobbit film series made the wizard one of fantasy cinema's most beloved characters. | © New Line Cinema/Metro-Goldwyn-Mayer Pictures
Arnold Schwarzenegger has played all manner of heroes, villains, and action stars throughout his career, but the Terminator may be the role most permanently attached to his image. His imposing physical presence and famously limited yet striking dialogue have made the character (and his portrayal of it) instantly recognizable across generations. | © Hemdale Film Corporation/Pacific Western Productions
Some actors have built impressive careers filled with memorable performances, but sometimes one character becomes so closely associated with them that it is impossible to think of the role without thinking of the actor. That said, here are 15 actors who will forever be strongly associated with these unforgettable roles.
