Jensen Ackles as Batman / Officer Wayne (voice)

Darren Criss as Superman / Agent Kent (voice)

Stana Katic as Wonder Woman / Diana Prince (voice)

Ike Amadi as Martian Manhunter / J'onn J'onzz (voice)

Troy Baker as Jonah Hex (voice)

Matt Bomer as Old Man (voice)

Roger Cross as Machiste (voice)

Brett Dalton as Bat Lash (voice)

Trevor Devall as Drifter (voice)

John DiMaggio as Lobo (voice)

Robin Atkin Downes as Mongul (voice)

Frank Grillo as Agent Faraday (voice)

Rachel Kimsey as Mariah Romanova (voice)

David Lodge as Sheriff (voice)

Damian O'Hare as Deimos (voice)

Teddy Sears as Warlord (voice)

Kari Wahlgren as Harbinger (voice)