Guest Stars Walton Goggins voices Cecil Stedman Zazie Beetz voices Amber Bennett Gillian Jacobs voices Samantha Eve Wilkins / Atom Eve Andrew Rannells voices William Clockwell Jason Mantzoukas voices Rex Sloan / Rex Splode Chris Diamantopoulos voices Donald Ferguson Grey DeLisle Griffin voices Amanda / Monster Girl Khary Payton voices Black Samson Ross Marquand voices The Immortal Ross Marquand voices Rudolph "Rudy" Conners Seth Rogen voices Allen the Alien Jay Pharoah voices Zandale Randolph / Bulletproof Sterling K. Brown voices Angstrom Levy Clancy Brown voices General Kregg Luke Macfarlane voices Rick Reginald VelJohnson voices Dean Winslow Calista Flockhart voices April Howsam Cliff Curtis voices Paul Eric Bauza voices DA Sinclair Lincoln Bodin voices Oliver Grayson Shantel VanSanten voices Anissa Chris Diamantopoulos voices Villain Fred Tatasciore voices Octoboss Grey DeLisle Griffin voices GDA Agent Assistant Tim Robinson voices Filip Schaff Co Starring Nyima Funk voices Additional Voices Ami Shukla voices Additional Voices Robert Kesselman voices Additional Voices Dan Navarro voices Additional Voices