Guest Stars Jim True-Frost as Logan Joanne Kelly as Vanessa Moore Brian White as Colonel Thomas Blair Francie Swift as Nina Carlisle Jeremy Bobb as Quentin Creasy Paul Calderon as Stan Hoffman Montego Glover as Lena Duke Lafoon as Dr. Kagan Allyson Morgan as Assistant Sharrieff Pugh as Herman "Hip" Walker Josh Banks as Lab Tech Henry Evans as Tim Ransom Lizzy Brooks as Teenage Girl