Who was the star of the TV series "24"?

Kiefer Sutherland was the star of the TV series 24 because he portrayed the lead character, Jack Bauer, throughout the show's eight-season run. Sutherland's portrayal of the intense and dedicated counter-terrorism agent earned him critical acclaim and a strong fan following. His performance was key to the success of the series, as he brought depth, complexity, and a sense of urgency to the character, making Jack Bauer one of the iconic figures in television history.