Alpha unleashes a barrage of attacks on the siblings, enabling Omen to hijack the ship and take the royal cores. Will this be the end of House Tarron?
- Tatiana Maslany as Aja Tarron/Queen Coranda
- Diego Luna as Krel Tarron
- Nick Offerman as Varvatos Vex
- Nick Frost as Stuart
- Glenn Close as Mothership
- Alon Abutbul as General Morando
- Hayley Atwell as Zadra
- Darin De Paul as Zeron Alpha
- Andy Garcia as King Fialkov
- Cheryl Hines as Momblank
- Tom Kenny as Dadblank
- Chris Obi as Loth Saborian
- Cole Sand as Eli Pepperjack
- Frank Welker as Luug
- Steven Yeun as Steve Palchuk
- The history class quote Krel recites to the residents of Akiridion-5 is by famed British politician, statesman, army officer, writer, and Prime Minister of the United Kingdom, Winston Churchill. As Prime Minister, Churchill led Britain to victory in World War II.
- Since Varvatos is taken hostage by Zeron Alpha, Zadra is presumed to become Aja and Krel's new guardian.
- This ends up being the case until Aja and Krel rescue Varvatos from imprisonment on the moon in "Moonlight Run".
- Eli Pepperjack manages to take photos of Aja and Krel in their alien forms, confirming aliens are real for Eli.
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