| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Kim Joo-hyung | Crew | Directing | Director | 28 |
 Jo Hyo-jin | Crew | Directing | Director, Creator | 28 |
 Jang Hyuk-jae | Crew | Directing | Director | 28 |
 Ahn Jae-wook | Cast | Actor | Ahn Jae-wook | 20 |
 Ye Ji-won | Cast | Actress | Ye Ji-won | 1 |
 Joshua Seth | Cast | Actor | Joshua Seth | 1 |
 Ahn Nae-sang | Cast | Actor | K | 12 |
 Jeong Seok-yong | Cast | Actor | Jeong Seok-yong | 1 |
 Kang Seong-jin | Cast | Actor | Kang Sung-jin | 1 |
 Kim Soo-ro | Cast | Actor | Joo Su-ro | 1 |
 Park Hyun-suk | Cast | Actress | Park Hyun-Sook | 1 |
 Park Hyo-ju | Cast | Actress | Park Hyo-joo | 1 |
 Lee Jae-yong | Cast | Actor | M / Jae-Yong | 1 |
 Byeon Jung-su | Cast | Actress | Byeon Jeong-su | 1 |
 Song Ji-hyo | Cast | Actress | Song Ji-Hyo | 1 |
 Hong Jong-hyun | Cast | Actor | Hong Jong-hyun | 1 |
 Jeong Jun-ha | Cast | Actor | Jeong Jun-ha | 1 |
 Lee Ki-woo | Cast | Actor | Lee Ki-woo | 1 |
 Im Won-hee | Cast | Actor | Im Won-hee | 2 |
 Lee Won-jong | Cast | Actor | Won-jong Lee | 1 |
 Hwang Bo-ra | Cast | Actress | Hwang Bora | 3 |
 Kim Bo-ra | Cast | Actress | Kim Bo-ra | 1 |
 Go Gyu-pil | Cast | Actor | Ko Kyu-pil | 4 |
 Woo Hyeon | Cast | Actor | Woo Hyeon | 1 |
 Kim Jung-tae | Cast | Actor | C / Jeong-Tae | 4 |
 Kim Ji-hun | Cast | Actor | Wang Ji-hun | 1 |
 In Gyo-jin | Cast | Actor | Wang Gyu-Jin | 1 |
 Oh Man-seok | Cast | Actor | Oh Man-seok | 1 |
 Kim San-ho | Cast | Actor | Kim San-ho | 1 |
 Yoon Jong-hoon | Cast | Actor | Yoon Jong-hoon | 5 |
 Lee Kwang-soo | Cast | Actor | Lee Kwang-soo | 19 |
 Lee Seung-gi | Cast | Actor | Lee Seung-gi | 18 |
 Min Sung-wook | Cast | Actor | Min Sung-Wook | 1 |
 Han Bo-reum | Cast | Actress | Nosefat / Han Bo-reum | 1 |
 Yoon Bo-ra | Cast | Actress | Yoon Bo-ra | 1 |
 Kim Dong-jun | Cast | Actor | Kim Dong-jun | 1 |
 Jang Gwang | Cast | Actor | Jang Gwang | 1 |
 Yoo Jae-suk | Cast | Actor | Yoo Jae-suk | 28 |
 Park Jin-joo | Cast | Actress | Park Jin-joo | 1 |
 Hwang Kwang-hee | Cast | Actor | Hwang Kwang-hee | 1 |
 Park Min-young | Cast | Actress | Park Min-Young | 28 |
 Im Soo-hyang | Cast | Actress | Lim Soo-Hyang | 2 |
 Yum Dong-hun | Cast | Actor | Yum Dong-hun | 1 |
 Seo Kang-joon | Cast | Actor | Kang-Joon Seo | 1 |
 Lee Gook-ju | Cast | Actress | Bubble Guest House Woman | 1 |
 Tae Hang-ho | Cast | Actor | Tae Hang-ho | 5 |
 Jung Hye-sung | Cast | Actress | Hye-Seong Jung | 1 |
 Kim Min-jae | Cast | Actor | Kim Min-jae | 6 |
 Gong Myeong | Cast | Actor | Gong Myoung | 1 |
 Jo Se-ho | Cast | Actor | Jo Se-ho | 1 |
 Sehun | Cast | Actor | Oh Sehun | 28 |
 Stephanie Lee | Cast | Actress | Stephanie Lee | 4 |
 Yook Sung-jae | Cast | Actor | Yook Sung-jae | 1 |
 Suho | Cast | Actor | Kim Suho | 1 |
 Lee You-jin | Cast | Actor | Lee You-Jin | 1 |
 Rowoon | Cast | Actor | Kim Seok-woo | 1 |
 Kim Se-jeong | Cast | Actress | Kim Se-jeong | 28 |
 Cho Byeong-kyu | Cast | Actor | Cho Byung-kyu | 1 |
 Lee Yong-nyeo | Cast | Actress | Head Shaman | 2 |
 Jin Se-yeon | Cast | Actress | Jin Se-yeon | 1 |
 Yoo Yeon-seok | Cast | Actor | Yoo Yeon-seok | 3 |
 Park Hae-jin | Cast | Actor | Hae-Jin Park | 1 |
 Kim Jong-min | Cast | Actor | Kim Jong-min | 28 |
 Kim Shin-young | Cast | Actress | Shin-Young Kim | 1 |
 Lee Tae-hwan | Cast | Actor | Tae-Hwan Lee | 1 |
 Ahn Bo-hyun | Cast | Actor | Ahn Bo-hyun | 2 |
 Kang Tae-oh | Cast | Actor | Tae-oh Kang | 1 |
 Kim Kang-hyun | Cast | Actor | Kim Kang-hyun | 1 |
 Kangnam | Cast | Actor | Kangdong | 1 |
 Jung Jin-young | Cast | Actor | Jinyoung | 1 |
 Yoo Byung-jae | Cast | Actor | Byungjae | 1 |
 Kim Kyung-Jin | Cast | Actor | Gruntrack | 1 |
 Park Na-rae | Cast | Actress | Rena Park | 1 |
 Kim Hye-yoon | Cast | Actress | Kim Hye-yoon | 2 |
 Nam Chang-hee | Cast | Actor | Nam Chang Hee | 1 |
 Kang Hong-suk | Cast | Actor | Kang Hong-seok | 1 |
 Hitomi Honda | Cast | Actress | Self | 1 |
 Lee Juck | Cast | Actor | Lee Juck | 3 |
 Pyo Ye-jin | Cast | Actress | Pyo Ye-jin | 1 |
 Hani | Cast | Actress | Hani | 2 |
 Wendy | Cast | Actress | Wendy | 1 |
 Shin Hye-jeong | Cast | Actress | Magic Girl/Shin Hye-Jeong | 1 |
 Shin A-young | Cast | Actress | Shin Ah-Yeong | 1 |
 Choi Hyeon-woo | Cast | Actor | Charming/Choi Hyeon Woo | 1 |
 Sakura | Cast | Actress | Self | 1 |
 Ravi | Cast | Actor | Kim Won-sik | 1 |
 John Park | Cast | Actor | John Park | 3 |
 Kim Bum-joon | Cast | Actor | Club Owner | 1 |
 Lee Su-ji | Cast | Actress | Lee Su-ji | 1 |
 Choi Yun-la | Cast | Actress | Ji Yoon-Ha | 1 |
 Shin Min-jae | Cast | Actor | Shin Min-jae | 1 |
 Kim Min-ju | Cast | Actress | Self | 1 |
 Yoo Il | Cast | Actor | Yoo-il | 1 |
 Kim Ki-doo | Cast | Actor | Kim Gi-du | 1 |
 Lee Jang-won | Cast | Actor | Lee Jang-won | 3 |
 Kwon Eun-bi | Cast | Actress | Self | 1 |
 Park Kyung | Cast | Actor | Park Kyung | 1 |
 Nako Yabuki | Cast | Actress | Self | 1 |
 Ha Sung-woon | Cast | Actor | Ha Sung-woon | 1 |
 Kang Hye-won | Cast | Actress | Self | 1 |
 Yujin | Cast | Actress | Self | 1 |
 Jo Yu-ri | Cast | Actress | Self | 1 |
 Lee Chae-yeon | Cast | Actress | Self | 1 |
 Wonyoung | Cast | Actress | Self | 1 |
 Choi Ye-na | Cast | Actress | Self | 1 |
 Kim Chaewon | Cast | Actress | Self | 1 |
 Jung Jae-hyung | Cast | Actor | Jung Jae-hyung | 4 |
 Lee Chang-min | Cast | Actor | Lee Chang-min | 1 |
 Hyun Seung-hee | Cast | Actress | Seunghee | 1 |
 Kim Ho-young | Cast | Actor | Master Kim | 1 |
Choi Min-je | Cast | Actress | Girl on phone in beginning of episode | 1 |
 Kriesha Chu | Cast | Actress | Kriesha | 1 |
 So-Yi Shin | Cast | Actress | Mi-Ra Jang | 1 |
 Cho Yoon-ho | Cast | Actor | Jo Yoon-ho | 1 |
 Lee Tae-kyung | Cast | Actor | Myung-Hoon Lee | 1 |
 Kang Jae-jun | Cast | Actor | Kang Jae-Joon | 1 |
 Lee Eun-hyung | Cast | Actress | Lee Eun-Hyung | 1 |
 Min Ji-Young | Cast | Actress | Mysterious Lady in Red Suit | 1 |
 Shin Jae-pyung | Cast | Actor | Shin Jae-Pyung (Voice) | 1 |
 Choi Yeong-Wan | Cast | Actress | Choi Yeong-Wan | 1 |
 Jo Woo-jong | Cast | Actor | Cho U-Jeong | 1 |
 Ahn Il-kwon | Cast | Actor | Ahn I-Gwon | 2 |
 In-Ah Seo | Cast | Actress | In-Ah Seo | 1 |
 Yoon Sung-ho | Cast | Actor | Ppak-Gu | 1 |
 Lee Moon-Jae | Cast | Actor | Crazy Piano | 1 |
 Cha Yu-ram | Cast | Actress | Seo Bo-ram | 1 |
 Yoon Hyeong-bin | Cast | Actor | Hyeong-Bin Yoon | 1 |
Jae-yeong Lee | Cast | Actress | Lee Jae-yeong | 1 |
 Kim Hwan | Cast | Actor | Kim Hwan | 2 |
 Kim Il-jung | Cast | Actor | Kim Il-joong | 1 |
Kim Beom-su | Cast | Actor | Kim Beom-Su | 1 |
Moon Kyu-park | Cast | Actor | Detective | 1 |
| Person | Type | Job | Role(s) | Episodes |
