Ji Sung
Cha Yo-Han (32 eps)
Lee Se-young
Kang Shi-Young (32 eps)
Lee Kyoo-hyung
Son Seok-Ki (32 eps)
Kim Hye-eun
Tae-Kyung (32 eps)
Shin Dong-mi
Chae Eun-Jung (32 eps)
Jeon No-min
Kang Yi-Soo (32 eps)
Uhm Hyo-seop
Kang Yi-Moon (32 eps)
Oh Seung-hyun
Min Joo-Kyung (32 eps)
Jeong In-gi
Jung-Nam (32 eps)
Hwang Hee
Lee Yoo-jun (32 eps)
Jung Min-ah
Kang Mi-Rae (32 eps)
Chun Young-min
Lee Da-hae (32 eps)
Kwon Hwa-woon
Heo Joon (32 eps)
Son San
Hong Yun Jin (32 eps)
Lee You-mi
Na Kyung Ah (32 eps)
Kim Yeong-hoon
Han Myung Oh (32 eps)
Jeong Jae-seong
Kwon Suk (32 eps)
Oh Hyun-Joong
Kim Won Hee (32 eps)
Yoon Joo-sang
Lee Won Gil (32 eps)
Jung Kyung-soon
Yoo Joon's mother (32 eps)
Park Jin-young
Nurse (32 eps)
Kim Mi-hye
Questioner (32 eps)
Noreen Joyce Guerra
Flight attendant (32 eps)
Moon Hak-Jin
Kim Jung Ho [3rd-year Resident Ophthalmology] (32 eps)
Son Hee-soon
Woman at the intensive care unit (1 eps)
Choi Yoon Joon
[Patient looking only for Cha Yo Han] (1 eps)