CharacterDoctor Mid-Nite (Pieter Cross) (cameo), Jason Todd, Captain Marvel, Jr. (Freddy Freeman) (cameo), Gloss (cameo), Wildcat (Ted Grant) (cameo), Guardian of the Universe (cameo), Doom Patrol (team), Mento (Steve Dayton) (cameo), Robotman (Cliff Steele) (cameo), Vox (Mal Duncan) (cameo), Captain Marvel (Billy Batson) (cameo), Power Girl (cameo), Mary Marvel (Mary Batson) (cameo), Elasti-Girl (cameo), Aquaman (Arthur Curry, Green Lantern (Alan Scott) (cameo), Negative Man (Larry Trainor) (cameo), Atom-Smasher (Albert Rothstein) (cameo), Deathstroke (cameo), Amanda Waller (cameo), Batgirl (Cassandra Cain) (cameo), Firehawk (Lorraine Reilly), Joker (Cameo), Freedom Beast (cameo), Harvey Bullock (cameo), Flash (Jay Garrick) (cameo), Global Guardians (team), Troia (cameo), Manticore (cameo), Orin) (cameo), Captain Cold (Len Snart) (cameo), Justice Society of America (team), Stargirl (Courtney Whitmore) (cameo), Father Time, Rocket Reds (cameo), Black Adam, Perry White (cameo), Firestorm (Jason Rusch), Commissioner James Gordon (cameo), Nightwing (Jason Todd), Martian Manhunter, Silent Majority (cameo)
Series Title52 / World War III Part One: A Call To Arms