Oh! My Guard

*Oh! My Guard*
Oh! My Guard
	Promotional poster
Hangul	밑도 끝도 없이 너다
Lit.	No Matter What, It's You
RR	Mitdo kkeutdo eopsi neoda
MR	Mitto kkŭtto ŏpsi nŏda
Genre	Romantic comedy
Written by	Byun Sang-soon
Directed by	Yoon Jong-ho; Lee Seung-hoon;
Starring	Jung Yong-hwa; Hong Seung-hee;
Country of origin	South Korea
Original language	Korean
Production
Production companies	People Story Company; Syn&Studio;
Original release
Network	Lifetime

Oh! My Guard (Korean: 밑도 끝도 없이 너다) is an upcoming South Korean romantic comedy television series written by Byun Sang-soon and directed by Yoon Jong-ho and Lee Seung-hoon. Starring Jung Yong-hwa and Hong Seung-hee, the series follows an actor who meets a woman who believes she is the female lead in a drama. It is scheduled to premiere on Lifetime on October 24, 2026 at 22:50 (KST). It will also be available for streaming on Viu in selected regions.

Cast

Jung Yong-hwa as Um Tae-bong, a Hallyu star and melodrama actor opposed to on-screen kissing.
Hong Seung-hee as Oh Hae-ra, daughter of a chaebol family who actually lives as a recluse while hiding a painful past. After an accident, she believes she is 'Cha Hong-doo', the female lead in a drama where Um Tae-bong is the lead actor.
Lee Yi-kyung as Han Jung-woo, the man who saw Oh Hae-ra in England during his childhood and came back to South Korea to find her.
Park You-na as Song Na-ri, an idol girl group member who transitioned as a famous actress who fell in love with Um Tae-bong but always tangled up with Han Jung-woo.
Han Chae-ah as So Hyun-joo, the ex-girlfriend of Um Tae-bong's late brother who was actually his first love.

Production

Development

The romantic comedy series is written by Byun Sang-soon, directed by Yoon Jong-ho (who previously helmed Lovely Runner) and Lee Seung-hoon, and produced jointly by Syn&Studio and People Story Company.

Casting

Casting announcements began in September 2021 with Jung Yong-hwa as the male lead. The following month, Hong Seung-hee was cast as the female lead and Lee Yi-kyung joined the main cast. Han Chae-ah was added to the cast in December 2021, and Park You-na joined the cast in April 2022.

Filming

Filming concluded in the first half of 2022.

Release

Oh! My Guard was initially reported for OTT distribution but was ultimately scheduled as a broadcast television drama. The series is scheduled to premiere on Lifetime on October 24, 2026, at 22:50 (KST).

It will also be available for streaming on Viu in selected regions.

In Japan, the local distributor ACROSS acquired the distribution rights for the drama. It will be available for streaming on a soon-to-be-announced platform.

References

1 2 3 4 Park, Jin-young (September 18, 2026). 정용화 '밑도 끝도 없이 너다', 83개국 공개 확정...'선업튀' 감독 연출 [Jung Yong-hwa's Oh! My Guard Confirmed for Release in 83 Countries... Directed by 'Sun Up' Director]. Joy News 24 (in Korean). Retrieved September 18, 2026.
↑ Max, Goldbart (September 18, 2026). "A+E Global Media Backs Lifetime Korea Series Oh! My Guard Starring K-Pop Performer Jung Yong-hwa & Hong Seung-hee". Deadline. Retrieved September 18, 2026.
↑ Shim, Eon-kyung (September 16, 2021). 정용화, '밑도 끝도 없이 너다' 주연 물망...'멜로장인' 배우 역할 [Jung Yong-hwa considered for lead role in Oh! My Guard... 'Melodrama Master' actor role]. SPOTV (in Korean). Retrieved September 18, 2026.
↑ Kang, Nae-ri (October 25, 2021). [단독]홍승희, '밑도 끝도 없이 너다' 여주인공...정용화와 연기 호흡 [[Exclusive] Hong Seung-hee, Female Lead in Oh! My Guard... Acting Together with Jung Yong-hwa]. YTN (in Korean). Retrieved September 18, 2026.
↑ Shim, Eon-kyung (October 27, 2021). [단독]이이경, '밑도 끝도 없이 너다' 주연으로 안방 복귀 [[Exclusive] Lee Yi-kyung Returns to Small Screen as Lead in Oh! My Guard...]. SPOTV (in Korean). Retrieved September 18, 2026.
↑ Shim, Eon-kyung (December 28, 2021). [단독]한채아, '밑도 끝도 없이 너다' 합류...'연모' 잇는 '열일' 기대 [[Exclusive] Han Chae-ah Joins Oh! My Guard... Expectations for Her Hard Work Following Love and Devotion]. SPOTV (in Korean). Retrieved September 18, 2026.
↑ Kim, Ye-eun (April 14, 2022). [단독] 박유나, '밑도 끝도 없이 너다' 주연...정용화와 호흡 [[Exclusive] Park You-na to star in Oh! My Guard... Co-starring with Jung Yong-hwa]. Xports News (in Korean). Retrieved September 18, 2026.
1 2 Kang, Nae-ri (September 6, 2026). [단독] 정용화 주연 '밑도 끝도 없이 너다', 4년 만에 세상 밖으로...10월 24일 공개 [[Exclusive] Jung Yong-hwa's Oh! My Guard Released After 4 Years... Opens October 24]. YTN (in Korean). Retrieved September 18, 2026.

External links

Official website (in Korean)
Oh! My Guard at HanCinema

[joynews24-1] 1 2 3 4 Park, Jin-young (September 18, 2026). 정용화 '밑도 끝도 없이 너다', 83개국 공개 확정...'선업튀' 감독 연출 [Jung Yong-hwa's Oh! My Guard Confirmed for Release in 83 Countries... Directed by 'Sun Up' Director]. Joy News 24 (in Korean). Retrieved September 18, 2026.

[2] Max, Goldbart (September 18, 2026). "A+E Global Media Backs Lifetime Korea Series Oh! My Guard Starring K-Pop Performer Jung Yong-hwa & Hong Seung-hee". Deadline. Retrieved September 18, 2026.

[3] Shim, Eon-kyung (September 16, 2021). 정용화, '밑도 끝도 없이 너다' 주연 물망...'멜로장인' 배우 역할 [Jung Yong-hwa considered for lead role in Oh! My Guard... 'Melodrama Master' actor role]. SPOTV (in Korean). Retrieved September 18, 2026.

[4] Kang, Nae-ri (October 25, 2021). [단독]홍승희, '밑도 끝도 없이 너다' 여주인공...정용화와 연기 호흡 [[Exclusive] Hong Seung-hee, Female Lead in Oh! My Guard... Acting Together with Jung Yong-hwa]. YTN (in Korean). Retrieved September 18, 2026.

[5] Shim, Eon-kyung (October 27, 2021). [단독]이이경, '밑도 끝도 없이 너다' 주연으로 안방 복귀 [[Exclusive] Lee Yi-kyung Returns to Small Screen as Lead in Oh! My Guard...]. SPOTV (in Korean). Retrieved September 18, 2026.

[6] Shim, Eon-kyung (December 28, 2021). [단독]한채아, '밑도 끝도 없이 너다' 합류...'연모' 잇는 '열일' 기대 [[Exclusive] Han Chae-ah Joins Oh! My Guard... Expectations for Her Hard Work Following Love and Devotion]. SPOTV (in Korean). Retrieved September 18, 2026.

[7] Kim, Ye-eun (April 14, 2022). [단독] 박유나, '밑도 끝도 없이 너다' 주연...정용화와 호흡 [[Exclusive] Park You-na to star in Oh! My Guard... Co-starring with Jung Yong-hwa]. Xports News (in Korean). Retrieved September 18, 2026.

[YTN-8] 1 2 Kang, Nae-ri (September 6, 2026). [단독] 정용화 주연 '밑도 끝도 없이 너다', 4년 만에 세상 밖으로...10월 24일 공개 [[Exclusive] Jung Yong-hwa's Oh! My Guard Released After 4 Years... Opens October 24]. YTN (in Korean). Retrieved September 18, 2026.