Fresh off his role in Undercover High School, the South Korean actor embarks on a new&nbsp;chapter as regional brand ambassador for Montblanc.

After a quiet hiatus from the spotlight, <a href="https://www.hommessingapore.com/style/seo-kang-joon-montblanc-asia-brand-ambassador-korean-celebrity-news-fashion" target="_blank" rel="noopener">Seo Kang Jun</a> returns to the world of entertainment with renewed purpose and a refined sense of self. Best known for his magnetic screen presence and nuanced performances, the <a href="https://www.hommessingapore.com/style/cover-story-thai-actor-singer-mew-suppasit-montblanc-meisterstuck-may-2024-celebrity-interview" target="_blank" rel="noopener">actor</a> made his highly anticipated comeback in Undercover High School, portraying a National Intelligence Service (NIS) agent who goes undercover as a high school student. Played with charm and depth, the role signals a new chapter in his evolving career.
Beyond the screen, Seo&rsquo;s influence extends into the realm of luxury as he takes on the role of <a href="https://www.hommessingapore.com/style/montblanc-wes-anderson-short-film-ready-to-wear-milan-event-2025-campaign-lets-write" target="_blank" rel="noopener">Montblanc&rsquo;s</a> regional brand ambassador &mdash; an appointment that feels almost predestined, given his timeless elegance and modern sophistication. Speaking to L&rsquo;OFFICIEL HOMMES SINGAPORE, Seo opens up about the idea of journey and growth, rediscovering his passion for acting, and what it means to represent Montblanc.

L'OFFICIEL HOMMES SINGAPORE — October 2025

You&rsquo;ve been on so many journeys &mdash; in your career, personally, and even literally. When you hear the word &ldquo;journey&rdquo; now, what comes to mind? Journey also means travel. And I always seem to encounter rivers whenever I travelled. So I guess that comes to mind. When I was younger &mdash; whether in my acting career or even before &mdash; I realised I was often unhappy whenever I chased after certain goals. Over time, I learned to let things flow naturally, just like a river.
You&rsquo;ve just returned from military service, which is a different kind of journey altogether. How has it shifted your perspective on life and work? There are two kinds [of journeys]: one you choose, and one you are chosen for. Military service was, of course, the latter. A journey I didn&rsquo;t want to take. (Laughs) I really didn&rsquo;t want to go, but once I was there, I learned a lot. First, I realised how many different kinds of people there are. Second, I missed being on set so much, performing in front of people after months of preparation. It reminded me just how much I truly love this profession.

If your career were a journey with milestones, which &ldquo;stop&rdquo; along the way changed you the most? Do you know Entourage? I think the project, which wasn&rsquo;t well-received by the public, became a huge turning point for me. When something doesn&rsquo;t work out, you start questioning why you act, why you should keep doing this job at all. Those moments helped me become mentally stronger and were big catalysts for change.
Montblanc celebrates every individual&rsquo;s unique journey, grounded in craftsmanship and timeless expression. How do you see your own path aligning with that philosophy? I think Montblanc focuses on the essence, on values that some might consider unnecessary but are still worth pursuing. Like I said earlier, when I ref lect on why I act and continue to do so, it&rsquo;s about telling stories and sharing them with people. In that way, Montblanc and I share the same philosophy of focusing on the essence.

As Montblanc&rsquo;s regional brand ambassador, what&rsquo;s it like being the face of a brand centred on meaningful travel and timeless stories? It feels reassuring, and I&rsquo;m excited for the journey ahead. Montblanc has such rich history and tradition. I believe it&rsquo;s a brand that will remain unchanged one or even two hundred years from now. So the journey we&rsquo;ll take together feels both reliable and exciting.
What inspires you most when you travel, and how does that inspiration carry over into your work? I always make time to see the city at night whenever I travel; I believe that&rsquo;s when its true face is revealed. At night, you encounter all kinds of people: the homeless, tourists, people heading home from work, people drinking at pubs. Watching them stirs up emotions I wouldn&rsquo;t otherwise feel. Later, when I&rsquo;m acting and reading a script, these impressions become a rich source of imagery and inspiration.

What keeps you grounded no matter where you are in the world? For me, it is kind of abstract. I always keep &ldquo;the end&rdquo; in mind. Like, the end of life. One day, we will all reach it, so I think it&rsquo;s most important to live without regrets when that time comes. I try to do my best in each moment so I won&rsquo;t regret anything in the end. That mindset keeps me grounded.
On travel, what&rsquo;s on your bucket list of destinations? Iceland. I&rsquo;ve actually been before, but only to the south; I never got to visit the north. There&rsquo;s a waterfall there called Dettifoss that I really want to see someday. When I visited South Iceland, I saw the magnificent Gullfoss waterfall, and it filled me with so many emotions: fear, awe, excitement. I wonder what it would feel like to see another great waterfall in the north, so I&rsquo;d love to visit one day.

What&rsquo;s next for you that you can share with your fans? There&rsquo;s nothing I can share just yet, since I haven&rsquo;t confirmed my next project. But I&rsquo;m hopeful there will be good news soon. For now, I&rsquo;m excited for the new journeys ahead with Montblanc this year. Please look forward to it.

Photography KIM HEEJUNE Styling CHOI JINYOUNG Hair EOM JUNGMI Makeup KWAK HYERYEONG Production OH SEOYUL

Seo Kang Jun with The Writing Traveller handbag with card holders, fountain pens, notebook and Iced Sea Automatic Date watch by Montblanc, wearing outfit by Brioni

Cover Story: Seo Kang Jun, Modern Wanderer

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