On January 11, 2025, tvN dropped the OST (Original Sound Track) line-up for When The Stars Gossip, featuring prominent names, including BTS' Jin, SEVENTEEN's Seungkwan, Gemini, and others. The announcement was made through the broadcasting channel's official Instagram account. The following K-pop idols and musicians were included in the list:
- BTS' Jin
- SEVENTEEN's Seungkwan
- Akdong Musician (AKMU)'s Suhyun
- Lee Seung-yoon
- BIG NAUGHTY
- Sion
- Gemini
When The Stars Gossip is an ongoing space and romance drama. It features several versatile actors, including Lee Min-ho, Gong Hyo-jin, Han Ji-eun, Oh Jung-se, and others. KeyEasy and MYM Entertainment are the production companies behind the show.
When The Stars Gossip episode three recorded 2.237% viewership ratings nationwide
According to Nielsen Korea, When The Stars Gossip, episode three, recorded 2.237% and 2.679% viewership ratings nationwide and in Seoul, respectively. Meanwhile, episodes one and two had average ratings of 3% both nationwide and in Seoul.
The space drama premiered on January 4, 2025, at 21:20 Korean Standard Time. It was helmed by the directors, Park Shin-woo and Kim Jin-seong. The former is known for shows such as It's Okay to Not Be Okay, Lovestruck in the City, Encounter, Jealousy Incarnate, and others.
Meanwhile, the latter is known for series, including, Surprise Party, 11th Mom, and more. It was penned by the screenwriter Seo Sook-hyang, known for dramas such as Iron Family, Wok of Love, Don't Dare to Dream, Romance Town, and others.
When The Stars Gossip follows the story of a space tourist and an astronaut on a space station. Lee Min-hoo takes the role of an obstetrician-gynecologist named Gong Ryong. He has been described as responsible. Due to certain conditions, he has to visit the space station as a tourist. Meanwhile, Gong Hyo-jin plays the character of a Korean-American astronaut, Eve Kim.
Subsequently, the supporting cast continues to play major roles. Kim Joo-hun breathes life into the character of a veteran astronaut, Park Dong-ah. He visits the space station three times and is one of the members of Seoul's MCC. While Oh Jung-se takes the role of a space experiment expert, Kang Kang-su. He has been living in the space station for ten months.
Lee EL chronicles the role of a prominent female astronaut, Kang Tae-hee. She is the first Korean-American to be crowned as IOU Space Center Vice President. Lee Cho-hee plays the role of Mina Lee's twin sister, Dona Lee. She is a space doctor of IOU who is in charge of the medical astronauts of Expedition 3.
When The Stars Gossip airs every Saturday and Sunday at 21:20 Korean Standard Time. The drama is available to stream on Netflix.