Han Suk-kyu

["Dr. Boo Yong Joo"]

Lee Kyu-ho

["Mr. Goo (Staff at Doldam Hospital)"]

Im Won-hee

["Jang Gi-tae"]

Byun Woo-min

["Nam Do-il"]

Jin Kyeong

["Head Nurse Oh Myung Shim"]

Kim Min-jae

["Nurse Park Eun Tak"]

Yoon Na-moo

["Jeong In-soo"]

Choi Jin-ho

["Director Do Yoon Wan"]

Shin Dong-wook

["Dr. Bae Moon-jeong"]

Ahn Hyo-seop

["Dr. Seo Woo-jin"]