| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Lee Jong-soo | Cast | Actor | Himself | 1 |
 Kim Ae-kyung | Cast | Actress | Herself | 1 |
 Jung Chan | Cast | Actor | Himself | 2 |
 Kim Dong-wan | Cast | Actor | Himself | 1 |
 Lee Kye-in | Cast | Actor | Himself | 23 |
 Jeon Hye-bin | Cast | Actress | Herself | 2 |
 Ryu Hyun-kyung | Cast | Actress | Herself | 2 |
 Hyun Young | Cast | Actress | Herself | 23 |
 Lee Ji-hoon | Cast | Actor | Himself | 2 |
 Jang Na-ra | Cast | Actress | Herself | 1 |
 Choi Si-won | Cast | Actor | Himself | 2 |
 Yoo Gun | Cast | Actor | Himself | 3 |
 Kim Ji-seok | Cast | Actor | Himself | 4 |
 Bae Seul-ki | Cast | Actress | Herself | 2 |
 Tablo | Cast | Actor | Himself | 1 |
 Nam Gyu-ri | Cast | Actress | Herself | 1 |
 Lee Hyeon-ji | Cast | Actress | Herself | 2 |
 Kim Jae-joong | Cast | Actor | Himself (as Youngwoong/Hero Jaejoong) | 2 |
 Kim Jun-su | Cast | Actor | Himself (as Xiah Junsu) | 1 |
 Won Ki-jun | Cast | Actor | Himself | 1 |
 Ji Sang-ryeol | Cast | Actor | Himself | 23 |
 Lee Seung-gi | Cast | Actor | Himself | 1 |
 Yoona | Cast | Actress | Herself | 1 |
 Jung Yun-ho | Cast | Actor | Himself | 2 |
 Andy Lee | Cast | Actor | Himself | 2 |
 Donghae | Cast | Actor | Himself | 2 |
 Koo Jun-yup | Cast | Actor | Himself | 2 |
 Max Changmin | Cast | Actor | Himself (as Choikang/Max Changmin) | 2 |
 Defconn | Cast | Actor | Himself | 1 |
 Jo Se-ho | Cast | Actor | Himself | 2 |
 Brian Joo | Cast | Actor | Himself | 7 |
 Kim Bin-woo | Cast | Actress | Herself | 23 |
 Kim Ki-bum | Cast | Actor | Himself | 2 |
 Eun Ji-won | Cast | Actor | Himself | 23 |
 Alex Chu | Cast | Actor | Himself | 1 |
Shin Jung-hwan | Cast | Actor | Himself | 23 |
 Hwanhee | Cast | Actor | Himself | 1 |
 Lee Ki-chan | Cast | Actor | Himself | 3 |
 Pyo Young-ho | Cast | Actor | Himself | 2 |
 Kim Hyun-chul | Cast | Actor | Himself | 2 |
 Kim Jong-seo | Cast | Actor | Himself | 3 |
Jung Mi-sun | Cast | Actress | Herself | 2 |
 Park Yoo-chun | Cast | Actor | Himself (as Micky Yoochun) | 2 |
 Lee Jung | Cast | Actor | Himself | 2 |
 Solbi | Cast | Actress | Herself | 9 |
 Kim Yong-man | Cast | Actor | Himself | 23 |
 Lee Min-woo | Cast | Actor | Himself | 3 |
 Hwangbo | Cast | Actress | Herself | 4 |
 Joo Young-hoon | Cast | Actor | Himself | 2 |
 Stephanie Kim | Cast | Actress | Herself | 2 |
Kim Ji-hye | Cast | Actress | Herself | 1 |
 Tony An | Cast | Actor | Himself | 3 |
 Lee Min-ho | Cast | Actor | Himself | 2 |
 Tei | Cast | Actor | Himself | 4 |
 Baek Ji-young | Cast | Actress | Herself | 1 |
 Bada | Cast | Actress | Herself | 1 |
 Son Ho-young | Cast | Actor | Himself | 2 |
 Lee Jae-won | Cast | Actor | Himself | 2 |
Mithra Jin | Cast | Actor | Himself | 1 |
 Byul | Cast | Actress | Herself | 2 |
 Kim Hyun-chul | Cast | Actor | Himself | 2 |
 Yoon Jung-soo | Cast | Actor | Himself | 2 |
 Chae Yeon | Cast | Actress | Herself | 8 |
 Lee Jae-hoon | Cast | Actor | Himself | 2 |
| Person | Type | Job | Role(s) | Episodes |
