Greg Cipes Beast Boy (voice) Scott Menville Robin (voice) Khary Payton Cyborg (voice) Tara Strong Raven (voice) Hynden Walch Starfire (voice) Will Arnett Slade (voice) Kristen Bell Jade Wilson (voice) Eric Bauza Aquaman / Stan Lee's Assistant (voice) Nicolas Cage Superman (voice) Greg Davies Balloon Man (voice) John DiMaggio Guard / Synth Skate Voice (voice) Halsey Wonder Woman (voice) David Kaye Trailer Voice / Announcer inside Premiere (voice) Tom Kenny Machine Voice (voice) Jimmy Kimmel Batman (voice) Stan Lee Stan Lee (voice) Vanessa Marshall Vault Voice (voice) Phil Morris Red Carpet Announcer / Doomsday Device (voice) Patton Oswalt Atom (voice) Alexander Polinsky Control Freak (voice) Meredith Salenger Supergirl (voice) Fred Tatasciore Jor-El / Security Guard (voice) James Arnold Taylor Fake Slade Actor (voice) Lil Yachty Green Lantern (voice) Wil Wheaton Flash (voice)