Danny Kaye was an American actor, singer, dancer, and comedian who starred in the 1947 film adaptation of James Thurber's short story 'The Secret Life of Walter Mitty'. He played the titular character, a daydreamer who escapes his mundane life through fantastical daydreams. Kaye was known for his energetic performances and his comedic timing, and he received an Academy Award nomination for his performance in the film.