|金秀贤 (Soo-hyun Kim)||饰|
|徐睿知 (Ye-ji Seo)||饰|
|吴政世 (Jeong-se Oh)||饰|
|朴珪瑛 (Park Gyuyoung)||饰|
|张荣男 (Young-nam Jang)||饰|
- At the helm of the drama is director Shin Woo Park of Jiltooui Hwashin (2016) and Namjachingoo (2018) known for his detailed and artistic way of capturing scenes.
- To prepare for his role as a caregiver, Kim Soo-hyun met an actual caregiver at a ward.
- This is actor 金秀贤's first lead role in a TV series since he was discharged from the South Korean military on July 1, 2019.