Nicolas Cage Superman (voice)
Will Arnett Producer, Slade (voice)
Stan Lee Stan Lee (voice)
Patton Oswalt Atom (voice)
Tom Kenny Machine Voice (voice)
Kristen Bell Jade Wilson (voice)
Tara Strong Raven (voice)
Joe Shuster Characters
Hynden Walch Starfire (voice)
John DiMaggio Guard / Synth Skate Voice (voice)
Jerry Siegel Characters
Khary Payton Cyborg (voice)
Fred Tatasciore Jor-El / Security Guard (voice)
Bob Kane Characters
Greg Cipes Beast Boy (voice)
Eric Bauza Aquaman / Stan Lee's Assistant (voice)
Michael Jelenic Writer, Producer
Vanessa Marshall Vault Voice (voice)
Wil Wheaton Flash (voice)
Marv Wolfman Characters
Meredith Salenger Supergirl (voice)
James Arnold Taylor Fake Slade Actor (voice)
David Kaye Trailer Voice / Announcer inside Premiere (voice)
William Moulton Marston Characters
Scott Menville Robin (voice)
Bill Finger Characters
Jimmy Kimmel Batman (voice)
George Pérez Characters
Alexander Polinsky Control Freak (voice)
Halsey Wonder Woman (voice)
Phil Morris Red Carpet Announcer / Doomsday Device (voice)
Greg Davies Balloon Man (voice)
Aaron Horvath Director, Writer, Producer
Sam Register Executive Producer
Joe Certa Thanks
Kal-El Cage Young Bruce Wayne (voice)
Lil Yachty Green Lantern (voice)
Joe Samachson Thanks
Jared Faber Original Music Composer
Lisa Schaffer Casting
Bob Rozakis Thanks
Michael Uslan Executive Producer
Todd Toon Sound Designer
Arnold Drake Characters
Charles W. Ritter Sound Editor
Benjamin Melniker Executive Producer
Evan Dockter Sound Editor
Peter Rida Michail Director, Producer
Peggy Regan Producer
Dave Stone Challengers of the Unknown (voice)
Gerald de Jesus Art Direction
Nick Kenway Editor
Holly Sedillos Vocals
Dan Hipp Production Design
Rafael Hurtado Art Direction
Joey Capps Plastic Man (voice)