- as Ensign Beckett Mariner (Voice)
- as Dr. Zefram Cochrane (Voice)
- as Ensign Brad Boimler (Voice)
- as Les Buenamigo (Voice)
- as Ensign D'Vana Tendi (Voice)
- as Alonzo Freeman (Voice)
- as Ensign Sam Rutherford (Voice)
- as Carlton Dennis / Gavin (Voice)
- as Captain Carol Freeman (Voice)
- as Sylvia Ront (Voice)
- as Commander Jack Ransom (Voice)
- as Dr. T'Ana (Voice)
- as Shaxs (Voice)
The information provided is incomplete. You can help OMDB by expanding it.
Watch "Star Trek: Lower Decks > Grounded":