CharacterDoctor Mid-Nite (Pieter Cross) (cameo), Captain Marvel, Jr. (Freddy Freeman) (cameo), Jason Todd, Gloss (cameo), Wildcat (Ted Grant) (cameo), Guardian of the Universe (cameo), Doom Patrol (team), Mento (Steve Dayton) (cameo), Vox (Mal Duncan) (cameo), Robotman (Cliff Steele) (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), Flash (Jay Garrick) (cameo), Harvey Bullock (cameo), Troia (cameo), Global Guardians (team), Manticore (cameo), Captain Cold (Len Snart) (cameo), Orin) (cameo), Justice Society of America (team), Stargirl (Courtney Whitmore) (cameo), Rocket Reds (cameo), Father Time, Black Adam, Perry White (cameo), Firestorm (Jason Rusch), Commissioner James Gordon (cameo), Martian Manhunter, Nightwing (Jason Todd), Silent Majority (cameo)
Series Title52 / World War III Part One: A Call To Arms