Chapel and Korby's quest to uncover the next step in human evolution leads the U.S.S. Enterprise to a planet where ancient ruins hide a deeper mystery and a terrifying secret.

Anson Mount (Captain Christopher Pike)
Ethan Peck (Lieutenant Spock)
Jess Bush (Nurse Christine Chapel)
Christina Chong (Lt. La'an Noonien-Singh)
Celia Rose Gooding (Ensign Nyota Uhura)
Melissa Navia (Lt. Erica Ortegas)
Babs Olusanmokun (Dr. Joseph M'Benga)
Martin Quinn (Lt. Montgomery Scott)
Rebecca Romijn (Lt. Commander Una Chin-Riley)

Cillian O'Sullivan (Dr. Roger Korby)
Melanie Scrofano (Captain Marie Batel)
Dan Jeannotte (Lt. Samuel Kirk)
Mynor Luken (Beto Ortegas)
Chris Myers (Ensign Dana Gamble)
Carol Kane (Commander Pelia)

David MacInnis (Lieutenant Rex)
Ish Morris (N'Jal)