| Artist name | Roles | Recordings |
|---|---|---|
| Zack The Lad | ||
| 김보형 (Korean pop artist) |
| Artist name | Roles | Recordings |
|---|---|---|
| Zack The Lad | ||
| 김보형 (Korean pop artist) |
| Artist name | Roles | Recordings |
|---|---|---|
| Zack The Lad | vocal | Roberta: I'll Be Hard to Handle, Roberta: Something Had to Happen |
| 김보형 | vocal | Roberta: I Won't Dance |