English is spoken by Park Seo Joon. He has demonstrated her command of English in a number of performances and interviews. In truth, he has admitted in interviews that he spent time studying abroad in England as a teenager, which helped him advance his command of the English language. In addition, he has performed in English-speaking roles in Korean TV series "What's Wrong with Secretary Kim" and the film "The Divine Fury."

Your level of English competence, however, may change depending on the circumstance. He might require a translator or interpreter in certain circumstances, particularly if they entail difficult or specialized topics. It's vital to remember that speaking English well doesn't automatically guarantee you can communicate in all circumstances.

In conclusion, Park Seo Joon is able to communicate in English and has proven this on numerous times. His time spent studying abroad in England undoubtedly helped him advance his English skills, but like other non-native speakers, he can still require help at times. Nonetheless, his proficiency in English has made it possible for him to connect with his admirers all over the world and reach a global audience.