How to Use Guys with Secret Tips Cast and Characters

Lee Si-Young as Choi Bo-Na




Oh Jung-Se as Lee Seung-Jae




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Park Young-Gyu as Dr. Suwalski




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Kim Jung-Tae as Woo Sung-Chul




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Lee Won-Jong as Yook Bong-A




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Bae Sung-Woo as CEO Jin




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Kim Joon-Sung as Oh Ji-Hoon




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Kim Min-Jae as Kim Min-Jae




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Kyung Soo-Jin as Kim Mi-Ra




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Kim Kyung-Jin as guy who tries to get in taxi