The Unit competes for a chance to commune with the dead during Samhain. Scylla and Anacostia search for Camarilla leadership by attending a Halloween gala and make a horrifying discovery.
| Name | Type | Role | |
|---|---|---|---|
| Nicole Avenia | Writer | ||
| Soheila Vatandoost | Guest Star | Biddy | |
| Juan Riedinger | Guest Star | Shane | |
| Sarah McInnes | Guest Star | Masked Woman (Assistant) | |
| Briana Rayner | Guest Star | Captain Wadi | |
| Dale Hunter | Guest Star | Biddy | |
| Diana Pavlovská | Guest Star | Willa Collar | |
| Lauren Acala | Guest Star | Brianna | |
| Gwenda Lorenzetti | Guest Star | Biddy | |
| Thomas Nicholson | Guest Star | Jack Orsatti | |
| Tony Giroux | Guest Star | Adil | |
| Stephen Adekolu | Guest Star | Man (With Knife) | |
| Lynn Whyte | Guest Star | Biddy | |
| Ess Hödlmoser | Guest Star | M | |
| Harman Aulakh | Guest Star | Indian Delegate #1 | |
| Chelsea Gill | Guest Star | General Sharma | |
| Josh Blacker | Guest Star | Marcus Tooms | |
| Catherine Lough Haggquist | Guest Star | Petra Bellweather | |
| Camille Brereton | Guest Star | Woman (With Bloody Stomach) | |
| La Nein Harrison | Guest Star | Biddy | |
| Praneet Akilla | Guest Star | Gregorio | |
| Christina Augello | Guest Star | Young Woman (Crawling & Bloodied) | |
| Ava Marchfelder | Guest Star | Tiffany | |
| Bernadette Beck | Guest Star | Charvel Bellweather | |
| Kylee Brown | Guest Star | Khalida | |
| Fatuma Navatovu | Guest Star | Liberian Soldier | |
| Diane Adams | Guest Star | Biddy | |
| Emma Pedersen | Guest Star | Bonnie | |
| Katelyn Reeves | Guest Star | Scared Bloody Woman (On Ground) | |
| Albert Nicholas | Guest Star | Jonas Blackfoot | |
| Lillian Lim | Guest Star | Biddy | |
| Mellany Barros | Guest Star | Penelope Silver | |
| Wonser De-Gbon | Guest Star | Valda Esterbrook | |
| Jason Stone | Director |