Lee Jae In

Credits

Cast Credits

Spring Fever (2026)

Starring as Choi Se Jin (12 episodes)

• Episode 1x12: Your Uncle Is... That Guy? (Feb 10, 2026)
• Episode 1x11: Your Uncle Is… Going Somewhere? (Feb 9, 2026)
• Episode 1x10: Your Uncle… Got Hurt? (Feb 3, 2026)
• Episode 1x09: Your Uncle Is… Dating Ms. Bom? (Feb 2, 2026)
• Episode 1x08: Your Uncle... Collapsed? (Jan 27, 2026)
• Episode 1x07: Your Uncle Is... a CEO? (Jan 26, 2026)
• Episode 1x06: Your Uncle Is... a Thief? (Jan 20, 2026)
• Episode 1x05: Your Uncle Is... Not Participating? (Jan 19, 2026)
• Episode 1x04: Your Uncle Is... an Heir? (Jan 13, 2026)
• Episode 1x03: Your Uncle Is... a Dad? (Jan 12, 2026)
• Episode 1x02: Your Uncle... Has a Job? (Jan 6, 2026)
• Episode 1x01: Your Uncle Is… That Guy? (Jan 5, 2026)
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The Price of Confession (2025)

Guest starring as Goo Hee Young (5 episodes)

• Episode 1x11: Episode 11 (Dec 5, 2025)
• Episode 1x10: Episode 10 (Dec 5, 2025)
• Episode 1x09: Episode 9 (Dec 5, 2025)
• Episode 1x08: Episode 8 (Dec 5, 2025)
• Episode 1x07: Episode 7 (Dec 5, 2025)
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Our Unwritten Seoul (2025)

Guest starring as Yu Mi Ji (teen) (9 episodes)

• Episode 1x11: At the End of the Sentence (Jun 28, 2025)
• Episode 1x08: An Unconventional Whole (Jun 15, 2025)
• Episode 1x07: A Child Underneath It All (Jun 14, 2025)
• Episode 1x06: The Silent, Ever-Present Fool (Jun 8, 2025)
• Episode 1x05: Alone With You (Jun 7, 2025)
• Episode 1x04: My Nemesis (Jun 1, 2025)
• Episode 1x03: Knock, Knock! Please Open Your Heart (May 31, 2025)
• Episode 1x02: Review and Reassess (May 25, 2025)
• Episode 1x01: Mi Ji, Yet Unknown (May 24, 2025)
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Guest starring as Yu Mi Rae (teen) (7 episodes)

• Episode 1x09: Back Again, Once More (Jun 21, 2025)
• Episode 1x07: A Child Underneath It All (Jun 14, 2025)
• Episode 1x05: Alone With You (Jun 7, 2025)
• Episode 1x04: My Nemesis (Jun 1, 2025)
• Episode 1x03: Knock, Knock! Please Open Your Heart (May 31, 2025)
• Episode 1x02: Review and Reassess (May 25, 2025)
• Episode 1x01: Mi Ji, Yet Unknown (May 24, 2025)
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Night Has Come (2023)

Starring as Lee Yoon Seo (12 episodes)

• Episode 1x12: The End (Dec 21, 2023)
• Episode 1x11: The Last Mafia (Dec 20, 2023)
• Episode 1x10: One Mafia Down (Dec 19, 2023)
• Episode 1x09: Two Citizens Down (Dec 18, 2023)
• Episode 1x08: No One Can Be Trusted (Dec 14, 2023)
• Episode 1x07: Find the Host (Dec 13, 2023)
• Episode 1x06: Yoon-seo and Jun-hee (Dec 12, 2023)
• Episode 1x05: The Photo Book (Dec 11, 2023)
• Episode 1x04: A Frenzied Bloodbath (Dec 4, 2023)
• Episode 1x03: Rifts Begin to Appear (Dec 4, 2023)
• Episode 1x02: Figuring Out the Rules (Dec 4, 2023)
• Episode 1x01: Field Trip (Dec 4, 2023)
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Racket Boys (2021)

Starring as Han Se Yoon

Sense8 (2015)

Guest starring as Young Sun (2 episodes)

• Episode 2x10: You Want a War? (May 5, 2017) [Co-Star]
• Episode 2x06: I Have No Room in My Heart for Hate (May 5, 2017) [Co-Star]