When the Stars Gossip (Korean: 별들에게 물어봐) is a 2025 South Korean television series written by Seo Sook-hyang, directed by Park Shin-woo, and starring Lee Min-ho, Gong Hyo-jin, Oh Jung-se, and Han Ji-eun. The series follows the fateful encounter of a space tourist and an astronaut on a space station. It aired on tvN every Saturday and Sunday at 21:20 (KST) from January 4 to February 23, 2025. It is also available for streaming on Netflix in selected regions.
Contents
Synopsis
The series centers on Eve (Gong Hyo-jin), a commander overseeing a space station, and Gong-ryong (Lee Min-ho), a gynecologist who visits the station for a few days as a space tourist.
Cast and characters
Main
Lee Min-ho as Gong Ryong
An obstetrician-gynecologist with a strong sense of responsibility who arrives at the space station as a tourist.
Gong Hyo-jin as Eve Kim
A Korean-American astronaut.
Oh Jung-se as Kang Kang-su
A space experiment expert who has been on the space station for ten months.
Han Ji-eun as Choi Go-eun
The CEO of MZ Electronics, Choi Jae-ryong's daughter, and Gong Ryong's fiancée.
Supporting
People at MCC
Kim Joo-hun as Park Dong-ah
A veteran astronaut who has been to the space station three times, and also a member of Seoul's MCC with Eve Kim.
Lee El as Kang Tae-hee
A world-famous astronaut and the first Korean-American woman to become IOU Space Center Vice President.
Lee Cho-hee as Dona Lee
Mina Lee's twin sister. A space doctor of IOU who checks the overall medical condition of the astronauts of Expedition 3.
Lee Hyun-kyun as Han Si-won
A director of flight operations.
Park Ye-young as Ma Eun-soo
MCC's mouse experimental partner.
People at ILS
Lee Cho-hee as Mina Lee
A space scientist in charge of plants, and Dona Lee's twin sister.
Heo Nam-jun as Lee Seung-joon
A space scientist in charge of mice.
Alex Hafner as Santiago Gonzalez Garcia.
An astronaut from IOU Space Center.
People at MZ Group
Kim Eung-soo as Choi Jae-ryong
Special appearances
Jo Jung-suk as newscaster
Park Jin-joo as a reporter
Production
Casting
On November 18, 2021, it was revealed that Lee Min-ho and Gong Hyo-jin were in talks to take on the lead roles of a new drama series written by writer Seo Sook-hyang. On January 26, 2022, it was revealed that Oh Jung-se was offered a role which was under review. On March 28, 2022, Lee and Gong were confirmed as the lead actors.
Filming
Filming began in April 2022. On February 8, 2023, Lee Min-ho announced on his Instagram account that the filming of the series had ended.
Release
The series premiered on January 4, 2025, at 21:20 (KST). It is also available to stream exclusively on Netflix.



