The base celebrates the rituals of Beltane, where Tally and Gerit’s connection grows and Abigail finds strength in competition. Raelle is deeply affected by a tragic event and has questions for an evasive Scylla.
| Name | Type | Role | |
|---|---|---|---|
| Christopher Oscar Pena | Writer | ||
| Lillian Lim | Guest Star | Biddy | |
| Lyne Renée | Guest Star | General Sarah Alder | |
| Nancy Bell | Guest Star | Biddy | |
| Sage Linder | Guest Star | Xoana | |
| Bennett Taylor | Guest Star | Byron | |
| Mekhi Fester | Guest Star | Libba's Man #2 | |
| Lester Thomas | Guest Star | Libba's Man #1 | |
| Lynn Whyte | Guest Star | Biddy | |
| Catherine Lough Haggquist | Guest Star | Petra Bellweather | |
| Joyce Robbins | Guest Star | Biddy | |
| Julie Tao | Guest Star | Cleo | |
| Jill Morrison | Guest Star | Berryessa Tansey | |
| Veronika Hadrava | Guest Star | Mikaela | |
| Dale Hunter | Guest Star | Biddy | |
| Annie Jacob | Guest Star | Glory Moffett | |
| La Nein Harrison | Guest Star | New Biddy | |
| Kenny Wood-Schatz | Guest Star | Male Cadet | |
| Nick E. Tarabay | Guest Star | Witchfather | |
| Corina Bizim | Guest Star | Female Cadet #2 | |
| Emilie Leclerc Côté | Guest Star | Izadora | |
| Sarah Yarkin | Guest Star | Elizabeth "Libba" Kane Swythe | |
| Katharine Morgan Taylor | Guest Star | Necro Teacher | |
| Thomas Elms | Guest Star | Clive Garland | |
| David Lennon | Guest Star | Porter Tippet | |
| B.J. Harrison | Guest Star | Biddy | |
| Kai Bradbury | Guest Star | Gerit Buttonwood | |
| Sayna Sadres | Guest Star | Female Cadet #1 | |
| Guilherme Babilônia | Guest Star | Agustín Alcala | |
| Haifaa al-Mansour | Director |