| Heartless follows Sofie and Sebastian - two siblings with a deep dark and fatal secret. In order to survive they must suck energy out of other people. We follow their quest for answers as to why they are this way and their search leads them to Ottmannsgaard, a boarding school with plenty of deep dark secrets of its own. |
| Name | Character | Episodes |
|---|---|---|
| Allan Hyde | Pieter Stockman | 8 |
| Marie Hammer Boda | Clara Just | 8 |
| Nicolaj Kopernikus | Henrik Just | 8 |
| Frederikke Dahl Hansen | Nadja | 8 |
| Julie Zangenberg | Sofie Nielsen | 8 |