- as Ensign Beckett Mariner (Voice)
- as Casey / Scary Alien on Machine (Voice)
- as Ensign Brad Boimler (Voice)
- as Rumdar / Pakled Rebel / Ambassador Grubdin / Pakled Servant / Emperor Pakled / King Pakled (Voice)
- as Ensign D’Vana Tendi (Voice)
- as Admiral Freeman (Voice)
- as Ensign Sam Rutherford (Voice)
- as Jennifer (Voice)
- as Captain Carol Freeman (Voice)
- as Queen Pakled / Out-of-Breath Pakled / Pakled Delegate 2 (Voice)
- as Commander Jack Ransom (Voice)
- as Lieutenant Kayshon (Voice)
- as Lieutenant Shaxs (Voice)
- as Dr. T’Ana (Voice)
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Watch "Star Trek: Lower Decks > The Spy Humongous":