When the Stars Gossip () 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.
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 The chairman of MZ Group. Baek Eun-hye as Na Min-jung A pediatrics and adolescents doctor at MZ Hospital. Kim Kyung-duk as Secretary Go Go-eun's secretary. Im Sung-jae as Jeon Yi-man Professor of Obstetrics and Gynecology at MZ Hospital.
People around Gong Ryong Jeon Soo-kyeong as Ji Hwa-ja Ryong's mother. Choi Jung-won as Jang Mi-hwa Jung Young-joo as Jung Na-mi
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.
Original soundtrack Part 1
Viewership
+ Average TV viewership ratings Original broadcast date Average audience share(Nielsen Korea)Nielsen Korea ratings:
Nationwide Seoul 1 January 4, 2025 3.324% 3.818% 2 January 5, 2025 3 January 11, 2025 2.237% 2.679% 4 January 12, 2025 2.781% 3.042% 5 January 18, 2025 1.8% 1.939% 6 January 19, 2025 2.905% 3.076% 7 January 25, 2025 1.826% 2.144% 8 January 26, 2025 2.199% 2.321% 9 February 1, 2025 2.075% 2.078% 10 February 2, 2025 2.693% 2.791% 11 February 8, 2025 1.898% 12 February 9, 2025 2.073% 2.039% 13 February 15, 2025 1.852% 2.103% 14 February 16, 2025 1.928% 1.980% 15 February 22, 2025 2.097% 16 February 23, 2025 2.550% 2.517% Average In the table above, the represent the lowest ratings and the represent the highest ratings. This drama aired on a cable channel/pay TV which normally has a relatively smaller audience compared to free-to-air TV/public broadcasters (KBS, SBS, MBC, and EBS).
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