Where Are the Actors of the Heirs Now? Inside the Mega-Cast That Dominated K-Drama

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Krystal Jung, then working under her stage name as a member of SM Entertainment's f(x), transformed Lee Bo-na from a potentially irritating, possessive girlfriend into one of the most universally loved comedic characters in modern drama history. Her rapid-fire English dialogue, chemistry with CNBLUE's Kang Min-hyuk, and infectious comedic petulance became viral fixtures on international social networks.

Jung deliberately pivoted away from cookie-cutter television roles as she matured. Choosing challenging art-house features, she starred in the indie abortion-centered family film More Than Family before earning critical acclaim and an official invitation to the Cannes Film Festival for director Kim Jee-woon's 2023 feature film Cobweb. Industry critics noted that Jung achieved what few second-generation K-pop idols managed: complete artistic reinvention inside prestige film circles.

Choi Jin-hyuk delivered the show's most emotionally suppressed performance as Kim Won, the burdened older half-brother whose corporate ruthlessness masked deep loneliness. Choi carried that mature gravitas into subsequent leading roles across varied television formats, from the dark thriller Tunnel to the supernatural comedy Zombie Detective. His recent central turn in JTBC's hit drama Miss Night and Day demonstrated his ongoing ability to carry weekend broadcast slots while maintaining a regular, self-deprecating presence on popular domestic variety programming like My Little Old Boy.