Jin is notable in that he is the only major character who was purportedly unable to speak English before arriving on the island. (He does, however, speak English in one of Hurley's dream sequences.) By contrast, Korean-born actor
Daniel Dae Kim was raised in Pennsylvania, and speaks English fluently and Korean with an American accent. He is coached on set by a dialect coach and co-star
Yunjin Kim to speak Korean without the American accent.
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