✦ Meet the person behind the part
Gu Do-hyung
Actor
Gu Do-hyung is a South Korean actor best known as Jin-hyuk in The Substitute (2026).

A face. A story. A little more. ♡
THE PEOPLE BEHIND YOUR FAVOURITE STORIES ✦ AN OXFEA PROFILE
01 / A closer look
Beyond the screen.
Gu Do-hyung is a South Korean actor whose work in the Oxfea catalogue includes Jin-hyuk in The Substitute (2026).
He plays Jin-hyuk in the 2026 crime mystery drama The Substitute, his main role in the Oxfea catalogue. The tense story of doubles and hidden identities is his key credit so far, and it is the role viewers will know him for best as his work in new dramas continues. The 2026 crime mystery is his main credit in the Oxfea catalogue so far.
02 / The journey
A career, chapter by chapter.
Selected drama roles
- The Substitute — Jin-hyuk
Explore the drama guides
Choose a title for its story, cast and release details.
- The Substitute — 2026 · Crime · Mystery · Drama
03 / Their screen stories
Stories to find them in.
Selected credits in the Oxfea collection.
Keep a little curiosity
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