In a climactic battle, the Unit and their allies team up to fight the Camarilla. Alder races across the world to find the final piece of the First Song.
| Name | Type | Role | |
|---|---|---|---|
| Eliot Laurence | Writer | ||
| Herschel Andoh | Guest Star | Ghanaian Officer | |
| Mellany Barros | Guest Star | Penelope Silver | |
| Tate Chernen | Guest Star | Basque Shepherd | |
| Arlen Aguayo | Guest Star | Nicte Batan | |
| Kay Shioma Metchie | Guest Star | Isabelle | |
| Bob Frazer | Guest Star | Alban Hearst | |
| Amanda Tapping | Guest Star | The Mother (Voice) | |
| Emilie Leclerc Côté | Guest Star | Izadora | |
| Helen Taylor | Guest Star | Augusta Bellweather (Voice) | |
| Luc Roderique | Guest Star | Sterling Woodlot | |
| Tony Giroux | Guest Star | adil | |
| David Storch | Guest Star | Ledger | |
| Kylee Brown | Guest Star | Khalida | |
| Greg Delmage | Guest Star | Camarilla Oversight BDU | |
| Praneet Akilla | Guest Star | Gregorio | |
| Catherine Lough Haggquist | Guest Star | Petra Bellweather | |
| Andrew Zachar | Guest Star | Shock Troop Commander | |
| Victor Webster | Guest Star | Blanton Silver | |
| J.P. Padda | Guest Star | Crew Member | |
| Sarah Dawn Pledge | Guest Star | Noodin | |
| Kandyse McClure | Guest Star | Nicte Batan | |
| Amanda Tapping | Director |