Korean drama cast, Secret Garden, Ha Ji-won, Hyun Bin, Yoon Sang-hyun, Kim Sa-rang, elegant traditional hanbok, modern fashion, luxurious mansion, lush garden, romantic atmosphere, soft lighting, close-up on expressive faces, detailed makeup, stylish hairdos, emotional acting poses, rich textures, high-quality fabrics, vibrant colors, outdoor natural light, midday sun, wide-angle shot, dramatic shadows, cinematic composition, 4k resolution.