See You in My 19th Life — Characters & Cast

Reconnecting with Seo-ha and protecting the loved ones left behind; ultimately evolving into a desire to release the karmic curse of rebirth.

Begins as an assertive, worldly genius using centuries of accumulated knowledge to bulldoze her way back into Seo-ha's life. As she uncovers the origins of her reincarnation curse, she transitions from an obsessive custodian of past memories into a woman willing to release her past to live a genuine, finite present.

Restoring his mother’s beloved MI Hotel and coping with the loss of Joo-won; shifts toward protecting and helping Ji-eum regain her peace.

Starts as a guarded, grieving chaebol heir incapacitated by survivor's guilt, hearing impairment from a crash, and isolation. Through Ji-eum's presence and unraveling the truth behind his past, he learns vulnerability, courage, and how to become the one who actively supports and saves Ji-eum.

Living authentically while honoring her sister’s memory; pursuing mutual love with Ha Do-yoon.

Despite carrying the lingering grief of losing her older sister Joo-won during childhood, Cho-won grows into a warm, resilient landscape architect. When she recognizes her sister’s soul in Ji-eum, she overcomes confusion and embraces the sisterly bond, bringing warmth and emotional grounding to the group.

Protecting Seo-ha while upholding his family's honor and security.

Bound by social disparities and family obligations to his younger brother, Do-yoon lives cautiously as Seo-ha's secretary and best friend. He represses his romantic feelings for Cho-won out of pride and class insecurity, but gradually breaks down his emotional barriers to pursue happiness.

Guiding Ji-eum toward breaking the thousand-year cycle of reincarnation to avoid harm to those around them.

An enigmatic part-time worker at Ae-kyung’s restaurant who is revealed to be another reincarnated soul from their very first life (Cheon-un). He serves as the harbinger who forces Ji-eum to remember her first life and understand the rules governing the end of their reincarnation cycle.