Don Lockwood is a fictional character from the classic musical film Singin' in the Rain. He is portrayed as a successful silent film star in Hollywood during the late 1920s. Known for his charm and good looks, Don navigates the challenges of transitioning from silent films to the new era of talkies. In the film, Don's character faces competition and personal dilemmas, particularly with his co-star Lina Lamont, whose voice is unsuitable for sound films. Throughout the story, he finds love with Kathy Selden, a talented actress, highlighting themes of romance and the evolution of the film industry.