Don Johnson Clips on Instagram: "Don Johnson Shares Update on 'Best' Friend Bruce Willis Amid Health Battle. Don has nothing but love for his old friend Bruce Willis. In a recent interview with Entertainment Tonight, Johnson, 75, talked about the "full circle" moment of having Willis' daughter, Rumer Willis, make a cameo on his ABC medical drama, Doctor Odyssey. Johnson has a far-reaching history with Willis, as he explained, taking the opportunity to share the story of how he got the Die Hard s