Guest Stars Judd Lormand as Lt. Commander Eric Blackburn Alona Tal as Stella Baxter Kerri Medders as Emma Hayes Michaela McManus as Alana Hayes Michael Irby as Adam Seaver Jay Hayden as Brian Armstrong Alexandra LeMosle as Laila Kelsey Siepser as Dr. Julia Clark Johnathan McClain as Sam Roberts Shaan Sharma as Dr. Vincent "Vince" Barbour Co Starring Tyler Grey as Trent Sawyer Mitch Westphal as Teammate Tia Cosey as Nancy Vikas Adams as Intel Tech Lloyd Barachina as Eduardo Misaya