The “One and Done” List: 7 Actors Known Almost Entirely for One Role

Some performers land a part so well matched to them that the audience stops seeing anyone else. The character becomes the résumé, the headline and sometimes the ceiling. It isn’t always a matter of talent, either.

The seven actors below are widely associated with one signature part, even though most of them kept working afterward. Each entry sticks to well documented career facts, without guessing about what might have gone differently.

Mark Hamill as Luke Skywalker

Mark Hamill was a young television actor when he won the role of Luke Skywalker in the original Star Wars, released in 1977. The character carried through the original trilogy and returned in the sequel films that began in 2015.

Hamill has worked steadily since, but mostly in voice acting. His best known voice work is the Joker in Batman: The Animated Series and later projects, which is a career of its own. Even so, his face is still tied to the farm boy from Tatooine.

Daniel Radcliffe as Harry Potter

Daniel Radcliffe was cast as Harry Potter as a child, and he played the wizard across eight films between 2001 and 2011. Few actors have spent that much of their youth on one character.

Since then he has deliberately chosen unusual projects, including Swiss Army Man, Weird: The Al Yankovic Story and a Broadway run in Merrily We Roll Along. He won a Tony Award for that production in 2024. Still, Harry Potter remains the first thing most people mention.

Leonard Nimoy as Spock

Leonard Nimoy first played Spock in the Star Trek pilot in the mid 1960s and returned for the animated series, the original films and later appearances. He even titled one memoir I Am Not Spock, then followed it years later with I Am Spock.

Nimoy also directed films, including Three Men and a Baby, and worked as a photographer and poet. The pointed ears, though, defined his public image until his death in 2015.

Jonathan Taylor Thomas as Randy Taylor

Jonathan Taylor Thomas became a teen favorite as Randy on the sitcom Home Improvement, which ran from 1991 to 1999. He also voiced young Simba in Disney’s The Lion King in 1994.

He stepped back from acting to attend university, and his screen appearances after the late 2000s were sparse. Home Improvement remains what most viewers remember him for.

Carroll O’Connor as Archie Bunker

Carroll O’Connor played Archie Bunker on All in the Family, which premiered on CBS in 1971. The role earned him multiple Emmy Awards and made him a cultural touchstone.

He later starred in the crime drama In the Heat of the Night, which gave him a second long run. Even so, Archie Bunker remained the character people connected with him most strongly until his death in 2001.

Adam West as Batman

Adam West starred as Batman in the 1960s television series, which aired from 1966 to 1968. Its campy tone made him a pop culture fixture almost overnight.

West said in interviews that typecasting limited his opportunities afterward. He later found a new audience through voice work, including the mayor on Family Guy, before his death in 2017.

Bob Denver as Gilligan

Bob Denver led the cast of Gilligan’s Island, which aired on CBS from 1964 to 1967. He had earlier played Maynard G. Krebs on The Many Loves of Dobie Gillis, yet Gilligan eclipsed that part.

Reruns kept the show in circulation for decades, and Denver reprised the role in animated series and television reunion films. He died in 2005, still closely identified with the sailor in the red shirt.