Ahn Kil-kang
Jang-hyeok's Father
Yu Seon
CEO
Park Cheol-min
Team Leader
Lee Kyung-young
Security
Kim Mi-kyeong
Jang-hyeok's Mother
Jo Han-chul
Patient
Krystal Jung
Han Bo-yeong
Jung Hee-tae
Director
Chae Soo-bin
Jung Da-eun
Go Gyu-pil
Resident
Jang Ki-yong
Lee Jang-hyuk
Hwang Jeong-min
Nurse
Yoon Byung-hee
Patient
Jung Bo-min
Matching Sweatshirt Couple
Lee Woo-je
Lee Jang-hyuk
Kim Yoon-woo
Team Member
Choi Hwan-yi
Jang Hyeok's Friend