* Jackie Chan: While known for his Kung Fu skills, Chan has stated he also incorporated elements of Hapkido into his fighting style.
* Steven Seagal: A prominent figure in action films, Seagal is a practitioner of Aikido, which shares roots with Hapkido. He has also shown interest in Hapkido and incorporated elements into his films.
* Bruce Lee: Lee was a martial arts innovator and although he primarily focused on Kung Fu, he also acknowledged the effectiveness of Hapkido.
* James Franco: Actor James Franco studied Hapkido with renowned Grandmaster Taejoon Lee.
* Mark Ruffalo: The Hulk actor is known for his interest in martial arts and has been seen training in Hapkido.
It's worth noting that some celebrities may have practiced Hapkido but haven't publicly discussed it. Additionally, many individuals may practice Hapkido without being famous, as it's a popular self-defense art.
If you're interested in learning more about Hapkido, you can find resources online or through local martial arts schools.