Yoon Jong Hoon and Uhm Hyun Kyung are set to lead the cast of KBS1’s upcoming daily drama ‘Our Happy Good Day’, officially confirmed by the network on February 19, 2026. The new family series brings together a powerhouse lineup of four lead actors and eight veteran performers, with the show scheduled to premiere in March following the conclusion of current drama ‘Marie and Her Three Daddies’.
Main Lead Cast Revealed for ‘Our Happy Good Day’
The production team from Monster Union and Seion Media announced the full casting lineup for ‘Our Happy Good Day’ (literal title), confirming that Yoon Jong Hoon, Uhm Hyun Kyung, Jung Yoon, and Yoon Da Young will form the main quartet driving the story forward .
Yoon Jong Hoon takes on the role of Go Gyeol, an architect described as the “ultimate alpha male” who possesses every advantage imaginable. His character comes with a cynical gaze and sharp remarks, but beneath this cold exterior hides a story he cannot easily share with others . This marks Yoon’s return to daily dramas following his intense performances in ‘The Escape of the Seven: Resurrection’ and the ‘Penthouse’ series, where he showcased his ability to move between good and evil characters .
Uhm Hyun Kyung plays Jo Eun Ae, a startup developer determined to create a humane, AI-driven world. Despite constant criticism and being overlooked at home, she maintains unwavering optimism and a bright spirit . However, an unexpected incident threatens to completely derail her life. Uhm brings her experience from leading roles in ‘The Second Husband’ and ‘The Secret Man’ to this character, promising to deliver both resilience and vulnerability .
Jung Yoon portrays Go Min Ho, Go Gyeol’s older brother and head of the Strategic Planning Division at Kangsu Group. Known for his handsome looks and exceptional fashion sense, he earned the school nickname “Ten Minute” for his striking appearance . His character is a devoted romantic who has eyes only for Seo Seung Ri, adding a layer of heartfelt devotion to the story .
Yoon Da Young completes the main cast as Seo Seung Ri, a flawless career woman and manager in the same division. With striking beauty, sharp intelligence, and impeccable work performance, she achieved rapid promotions . Behind her perfect image, she secretly possesses an endearing charm as a master of “wildly enthusiastic dancing,” bringing unexpected humor to her character .
Veteran Actors Join Supporting Cast
The production announced the addition of eight veteran actors who will add depth and weight to the family saga .
Kim Hye Ok and Sunwoo Jae Duk join as Jo Eun Ae’s parents. Kim plays Kang Eun Ja, a licensed real estate agent who earned multiple certifications to support her household. Despite gaining recognition as the “neighborhood leader” for her tremendous practicality and sociability, she carries a hidden emotional wound . Sunwoo plays Jo Sung Joon, a former large company executive who lost his job due to restructuring and has kept this secret from his family while moving between odd jobs .
Yoon Da Hoon takes the role of Go Dae Chi, president of Kangsu Construction and father to Go Gyeol and Go Min Ho. His character has a boisterous personality but becomes diminished in front of his own father, chairman Go Kang Su .
Moon Hee Kyung plays Eun Su Jung, the foolish wealthy wife and Go Dae Chi’s spouse. She is especially devoted to her eldest son Min Ho and worries that Gyeol, returning to Korea after 10 years, might take Min Ho’s position as successor .
Lee Sang Sook portrays Yoo Jung Ran, Seo Seung Ri’s mother and a full-time homemaker. A pragmatic person, she feels grateful to chairman Go Kang Su for helping her family during hard times but hopes her daughter will connect with Min Ho and become the group’s matriarch .
Jung Ho Bin plays Seo Kwon Sik, Yoo Jung Ran’s husband and Seo Seung Ri’s father. As chief secretary of Kangsu Group working under his high school classmate Go Dae Chi, he gradually reveals long-hidden ambitions as the succession race begins .
Lee Ho Jae anchors the story as Go Kang Su, chairman of Kangsu Group diagnosed with terminal cancer. He refuses treatment and devotes all attention to finding the group’s new owner while trying to repay emotional debt to his wife .
Jung Young Sook completes the lineup as Lee Young Hwa, the chairman’s second wife who stays by his side despite not being fully accepted as a mother by his son and daughter-in-law .
Production Team Behind the New Daily Drama
‘Our Happy Good Day’ brings together acclaimed director Lee Jae Sang and writer Nam Sun Hye . Director Lee is recognized for warm and delicate direction in hit family dramas ‘Once Again’ and ‘Father Is Strange’, both of which achieved strong ratings during their runs . Writer Nam showcased trendy writing in ‘Suji-mat-eun Uri’ and ‘Amor Fati — Love Now’, demonstrating ability to blend family dynamics with contemporary storytelling .
The drama is described as a warm family series filled with stories from multiple generations, centering on a tense clash between the world’s most perfect man and an endearingly clumsy woman—each striving to become the main character of their own life . The production team stated, “The gathering of four actors with strong acting foundations alone is reassuring. The bickering chemistry they create will inject new energy into daily dramas” .
Character Dynamics and Story Preview
The drama’s central conflict revolves around the succession race at Kangsu Group, triggered by chairman Go Kang Su’s terminal cancer diagnosis . This sets the stage for competition between brothers Go Gyeol and Go Min Ho, with their mother Eun Su Jung fiercely protecting her eldest son’s position .
Jo Eun Ae’s entry into this world through her connection with Go Gyeol creates tension across social classes. Her family’s ordinary struggles contrast sharply with the wealth and power struggles of the Kangsu family . The Seo family adds another layer, with secretary Seo Kwon Sik’s hidden ambitions threatening to disrupt established relationships .
The romance between Go Min Ho and Seo Seung Ri provides a lighter counterpoint, though Seung Ri’s mother’s hopes for her daughter’s marriage add pressure to their relationship .
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Broadcast Information and Schedule
‘Our Happy Good Day’ is scheduled to premiere in March 2026 on KBS1 as the follow-up to the currently airing drama ‘Marie and Her Three Daddies’ . As a daily drama, it will air on weekdays, targeting the loyal audience that follows KBS’s long-running daily drama slot.
For international viewers, KBS dramas are typically available with subtitles on platforms like KBS World and various streaming services shortly after Korean broadcast, though specific international streaming arrangements have not yet been announced .
The drama’s English title may vary across different sources, with translations including ‘Our Happy Good Day’, ‘A Happy Day for Us’, and ‘Joyful Our Good Day’ all referring to the same production .
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