Guest Stars Khary Payton voices Black Samson Ross Marquand voices The Immortal Fred Tatasciore voices Adam Fred Tatasciore voices Kill Cannon Lauren Cohan voices War Woman Ross Marquand voices Aquarius Chris Diamantopoulos voices Green Ghost Grey DeLisle Griffin voices Betsy Ross Marquand voices Tech Chris Diamantopoulos voices Dad Fred Tatasciore voices Driver Tatiana Maslany voices Queen Lizard Lance Reddick voices Erickson Taylor Dearden voices Receptionist Taylor Dearden voices Volunteer Taylor Dearden voices Nurse Stephen Root voices Brandyworth Khary Payton voices Doctor Khary Payton voices Officer Phil LaMarr voices Salamander Phil LaMarr voices Sidekick Grey DeLisle Griffin voices Polly Jacob Tremblay voices Prince Lizard Jacob Tremblay voices Phase Two Philip Solomon voices Zak Aria Kane voices Eve (Age 7) Madison Calderon voices Val Jazlyn Ione voices Eve (Age 12)