Jerry O'Connell
(Commander Jack Ransom),
Paul F. Tompkins
(Dr. Migleemo),
Phil LaMarr
(Admiral Freeman),
Dawnn Lewis
(Captain Carol Freeman),
Nolan North
(Command Ensign with Accelerated Growth and Reverse Aging),
Fred Tatasciore
(Lieutenant Shaxs),
Gillian Vigman
(Dr. T'Ana),
Paul Scheer
(Lieutenant Commander Andy Billups),
Kari Wahlgren
(Key'lor),
Lauren Lapkus
(Ensign Jennifer Sh'reyan),
Ben Rodgers
(Lieutenant Commander Stevens),
Eugene Cordero
(Ensign Samanthan Rutherford),
Jessica McKenna
(Ensign Barnes),
Noël Wells
(Ensign D'Vana Tendi),
Carl Tart
(Lieutenant Kayshon),
Jack Quaid
(Ensign Brad Boimler),
Gabrielle Ruiz
(T'Lyn),
Tawny Newsome
(Ensign Beckett Mariner)