With only four spots available in a new K-pop supergroup and the final cut a week away, the competition is off the charts. When a talented and mysterious new girl is introduced at the last minute, things start to get strange — girls are being hunted and attacked one by one, but who is responsible for the carnage, and more importantly... who will make the final cut?
| Actor | Role |
|---|---|
 Adeline RudolphSoyeon | Soyeon |
 Arden ChoGrace | Grace |
 Jeon SomiSara | Sara |
 John Harlan KimDaniel | Daniel |
 Lee Jae-yoonNot listed | Not listed |
 Samantha CochranJae | Jae |
 Achiraya NitibhonNot listed | Not listed |
 NancyNot listed | Not listed |
 Kim Si-yoonNot listed | Not listed |
 Park Chae-rinNari | Nari |