Kevin Costner's Career Has Been Transformed by His Breakthrough Roles.

Absolutely, Kevin Costner's career has indeed been transformed by several breakthrough roles that catapulted him to stardom and solidified his status as a leading actor in Hollywood. Here are some of the key breakthrough roles that have defined Costner's career:

Costner's portrayal of real-life lawman Eliot Ness in Brian De Palma's crime drama "The Untouchables" further elevated his status in Hollywood. His performance opposite seasoned actors like Sean Connery and Robert De Niro earned him widespread praise and established him as a bankable leading actor.

Costner solidified his reputation as a leading man with his role as veteran minor league baseball player Crash Davis in Ron Shelton's romantic comedy "Bull Durham."

Costner's role as Iowa farmer Ray Kinsella in the fantasy drama "Field of Dreams" further cemented his status as a Hollywood star. The film's poignant storyline, coupled with Costner's heartfelt performance, resonated with audiences and critics alike, solidifying his reputation as a versatile actor capable of delivering emotionally resonant performances.

Perhaps the most defining role of Costner's career came with his portrayal of Union Army Lieutenant John J. Dunbar in the epic western "Dances with Wolves," which he also directed.

The film won multiple Academy Awards, including Best Picture and Best Director, and cemented Costner's status as a major player in Hollywood.

These breakthrough roles not only propelled Kevin Costner to the forefront of the entertainment industry but also established him as a versatile actor capable of tackling a wide range of genres and characters.

His talent, charisma, and dedication to his craft have endeared him to audiences worldwide and ensured his enduring legacy in film history.