새콤달콤

Yoon Byung-hee

Patient

Ahn Kil-kang

Jang-hyeok's Father

Park Cheol-min

Team Leader

Jung Hee-tae

Director

Kim Mi-kyeong

Jang-hyeok's Mother

Go Gyu-pil

Resident

Krystal Jung

Han Bo-yeong

Jang Ki-yong

Lee Jang-hyuk

Chae Soo-bin

Jung Da-eun

Jo Han-chul

Patient

Lee Kyung-young

Security

Hwang Jeong-min

Nurse

Yu Seon

CEO

Lee Woo-je

Lee Jang-hyuk

Jung Bo-min

Matching Sweatshirt Couple

Choi Hwan-yi

Jang Hyeok's Friend

Kim Yoon-woo

Team Member