Jensen Ackles Batman / Officer Wayne (voice) Darren Criss Superman / Agent Kent (voice) Stana Katic Wonder Woman / Diana Prince (voice) Ike Amadi Martian Manhunter / J'onn J'onzz (voice) Troy Baker Jonah Hex (voice) Matt Bomer Old Man (voice) Roger Cross Machiste (voice) Brett Dalton Bat Lash (voice) Trevor Devall Drifter (voice) John DiMaggio Lobo (voice) Robin Atkin Downes Mongul (voice) Frank Grillo Agent Faraday (voice) Rachel Kimsey Mariah Romanova (voice) David Lodge Sheriff (voice) Damian O'Hare Deimos (voice) Teddy Sears Warlord (voice) Kari Wahlgren Harbinger (voice)