CharacterJustice League of America (Aquaman, Carter Hall), Ultraman, Black Canary (Dinah Drake Lance), Winston Churchill (of Earth-2), Justice League of America (Superman, Dr. Fate (Kent Nelson, Psycho-Pirate (Roger Hayden), Red Tornado, Batman (Bruce Wayne), Adolf Hitler (of Earth-2), All-Star Squadron (Firebrand (Danette Reilly), Johnny Quick (Johnny Chambers), Liberty Belle, Flash (Barry Allen) (cameo)), Justice League of America (Zatanna, Power Ring), Commander Steel, Elongated Man (cameo)), Plastic Man (dream), Aquaman, Franklin Delano Roosevelt (of Earth-2), Justice League of America (Atom (Ray Palmer), Flash (Barry Allen)), Johnny Thunder's Thunderbolt), Green Arrow, Crime Syndicate (Superwoman, Atom (Ray Palmer)), The Mist, Zatanna, Superman (Cameo), Firestorm, Firebrand (Danette Reilly), Red Tornado (cameo), Ultra-Humanite), Power Ring, Dr. Fate (Nabu, Psycho-Pirate (Roger Hayden)), Green Arrow (cameo), Superman), Black Canary, Secret Society of Super-Villains (The Mist, Batman (flashback), Power Girl (cameo), Shining Knight (dream), Robotman (Robert Crane)), Justice Society of America (Huntress (Helena Wayne), Floronic Man (Jason Woodrue), Snapper Carr (cameo), Zatanna) (all cameo), Green Lantern (Alan Scott) (cameo), Justice League of America (Hawkman (Katar Hol, Justice Society of America (Huntress (Helena Wayne) (cameo), Hawkman (Carter Hall), Black Canary (Dinah Lance Drake), Justice Society of America (Power Girl, Robotman (Robert Crane), Justice Society of America (Starman (Ted Knight), All-Star Squadron (Commander Steel, Green Lantern (Alan Scott), All-Star Squadron (Johnny Quick (Johnny Chambers), Starman (Ted Knight), Star Spangled Kid (cameo)), Crime Syndicate (Johnny Quick, Green Lantern (Alan Scott)), Zatanna), Per Degaton, Elongated Man, Plant Master), Green Lantern (Hal Jordan) (Cameo), Professor Zee (flashback, 1947), Atom (Ray Palmer), Killer Frost (Crystal Frost), Wildcat (Ted Grant) (cameo), Hawkman, Robin (cameo), Rag Doll, Franklin Delano Roosevelt, Hawkman (Carter Hall)) (all in a dream), Dr. Mid-Nite (Charles McNider) (cameo), Psycho-Pirate, Carter Hall) (cameo), Aquaman (Cameo), Johnny Quick (Johnny Chambers)), Power Girl, The Monocle, Elongated Man (cameo), Justice League of America (Batman, Martian Manhunter (cameo), Fidel Castro (of Earth-Prime, cameo, 1962), Wonder Woman (Diana Prince), Solomon Grundy (flashback), Justice League of America (Firestorm, Hourman (Rex Tyler), Crime Syndicate (Ultraman, Nikita Khrushchev (of Earth-Prime, cameo, 1962), Huntress (Helena Wayne), Justice Society of America (Johnny Thunder's Thunderbolt, Cheetah (Deborah Domaine), The Crime Syndicate (Power Ring, Fidel Castro (of Earth-Prime, flashback, 1962), Green Lantern (Hal Jordan), Ronald Reagan (of Earth-Prime, flashback, 1962), Johnny Thunder's Thunderbolt, The Monocle), Atom (Al Pratt) (cameo), Wonder Woman), Justice Society of America (Flash (Jay Garrick), Crime Syndicate of America (Superwoman, Superwoman, Power Girl), Signalman), Dr. Mid-Nite, Green Lantern (Hal Jordan) (flashback), Johnny Thunder, Secret Society of Super-Villains (Ultra-Humanite, Justice Society of America (Superman, Wonder Woman (flashback)), Hawkwoman (Shayera Hol) (cameo), Kent Nelson), Hawkman (Katar Hol, Wonder Woman (cameo), Superman (Clark Kent), Hirohito (of Earth-2), Huntress (Helena Wayne)), Phantom Lady (dream)), Professor Zee, All-Star Squadron (Robotman (Robert Crane), Shining Knight (cameo)), Brain Wave, Zatanna (cameo), Atom (Al Pratt), John F. Kennedy (of Earth-Prime, flashback, 1962), Johnny Quick), John F. Kennedy (of Earth-Prime, cameo, 1962), Nuclear the Magnetic Marauder (intro, villain), Owlman, Signalman, Flash (Jay Garrick), Nabu), Floronic Man (Jason Woodrue, Nabu) (cameo), Mussolini (of Earth-2), Nikita Khrushchev (of Earth-Prime, flashback, 1962)
Superhero TeamJustice League of America