The battle over the timelines will be determined by the battle between Chara and Asriel.
| Name | Type | Role | |
|---|---|---|---|
| Camila Cuevas | Writer | ||
| Veir | Writer | Co-Writer | |
| Jen McGregor | Guest Star | Jessica Grey | |
| Camila Cuevas | Director | ||
| Felipe Montero | Crew | Composer | |
| Strelok | Crew | Sound Designer | |
| Camila Cuevas | Crew | Animator | |
| Camila Cuevas | Creator | ||
| Lumisau | Actor | Chara | |
| Strelok | Actor | Frisk | |
| Adox0graphist | Actor | Asriel | |
| Strelok | Actor | Sans | |
| Geritz | Actor | Asriel (Adult) | |
| Strelok | Actor | Papyrus |