as Yang Seo-koon: The strict and fair team leader of Passenger Services.
as Lee Soo-yeon: A graduate of KAIST who wants to live an "ordinary life" but is hindered by a secret physical condition.
: He manages to calm an aggressive passenger who was trashing a check-in counter, a situation Yeo-reum failed to control.
as Seo In-woo: The ambitious manager of the airport's planning and operations.
Reviewers from bean5spilled noted that while the airport setting is unique, the female lead's character can be off-putting due to her lack of accountability and tendency to make excuses for poor performance. Conversely, the mystery surrounding Lee Soo-yeon's bionic strength and his quiet, reserved nature serves as a strong hook for the series. Where Stars Land: first impression on episode 1~8