Hae Sung is Nora's childhood classmate and first love. After military service, he searches for her online, reconnects through video calls, and later travels to New York to meet her and Arthur. His conversations with Nora explore lost possibilities, past lives, and the relationship they might have had.
Jin-su is a respected and attractive team leader whose intense work and private personal life make him a focus of office admiration and gossip. He travels to Japan to address a project crisis, declines Seo-young's request to meet before the trip, and later resigns. Reports about security footage of him with a man shock coworkers and distress Seo-young.
The Driver transports the protagonist during key stages of the operation. After receiving a phone call, she is taken to eat and to a hotel, and later the same driver collects her and leaves her at a bus stop bound for New York City. This character provides logistical support without explaining the mission.
Emil is a handsome German actor from Ko Hyun-jung's agency. He accompanies Ko when she arrives late, and his presence turns the delayed gathering into a champagne-and-food reception. Although he is not part of the actresses' central debate, his arrival briefly lightens the strained atmosphere before the women return to discussing rivalry, fame, beauty, and insecurity.
Teo Yoo has 43 screen credits in a career dating back to 2005. Signature works include Past Lives, Love to Hate You, Leto. Explore the interactive character relationship maps on each title page to trace how their roles connect across franchises.
