Guest Stars Judd Lormand as Lt. Commander Eric Blackburn Alona Tal as Stella Baxter Parisa Fakhri as Naima Perry Svetlana Efremova as Katya Darien Sills-Evans as Paul Marberry Jon Sklaroff as Dr. Dmitri Alexeivich Zimov Co Starring Tyler Grey as Trent Sawyer Justin Melnick as Brock Reynolds Shi Ne Nielson as Ellen