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| Shin Ha-Kyun | Won Jin-A | Lee You-Jin | Bae Yoon-Kyoung | Kim Wook |
| Steve | Ashley | Jay | Carol | Philip |
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| Bae Yoo-Ram | Kim Young-Ah | Hwang Jung-Min |
| Jessi | Monica | Amy |
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| Lee Joong-Ok | Lee Gyu-Hyun | Moon Soo-Joo | Lee Ha-Nee | Choi Sun-Woo |
| Kwak Sung-Beom | Park Tae-Ju | developer | developer | developer |
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| Jun Hyun-Moo | Lee Dong-Kyu | Sazal Mahamud | Ryu Kyung-Hwan | Lee Soo-Mi |
| Hchavne CM actor (ep.1) | Demo Day host (ep.1) | Amir (ep.1-2) | vlogger (ep.1) | fortune teller (ep.2) |
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| Ha Young-Jin |
| consultant (ep.2) |
