Guest Stars Javier Botet as Ba'ul Co Starring Emily Coutts as Lt. Cmdr. Keyla Detmer Patrick Kwok-Choon as Lt. Cmdr. Gen Rhys Oyin Oladejo as Lt. Cmdr. Joann Owosekun Ronnie Rowe as Lt. Cmdr. Ronald Altman Bryce David Benjamin Tomlinson as Lt. J.G. Linus Julianne Grossman voices Discovery Computer Hannah Cheesman as Lieutenant Commander Airiam Raven Dauda as Dr. Tracy Pollard Michael Ayres as Transport Officer Mark Pellington voices Ba'ul Hannah Spear as Siranna David Benjamin Tomlinson as Kelpien Villager #1