During the panel for Amazon Prime Video’s upcoming animated series Invincible at CCXP Worlds, Robert Kirkman’s series announced several high-profile voice cast additions. They include Oscar winner Mahershala Ali as Titan, Clancy Brown as Damien Darkblood, Nicole Byer as Vanessa & Fiona, Jeffrey Donovan as Machine Head, Jonathan Groff as Rick Sheridan, Emmy winner Jon Hamm as Steve, Djimon Hounsou as Martian Emperor, and Ezra Miller as D.A.