CharacterJustice League of America (Aquaman, Carter Hall), Ultraman, Winston Churchill (of Earth-2), Black Canary (Dinah Drake Lance), Dr. Fate (Kent Nelson, Justice League of America (Superman, Psycho-Pirate (Roger Hayden), Batman (Bruce Wayne), Red Tornado, Adolf Hitler (of Earth-2), All-Star Squadron (Firebrand (Danette Reilly), Johnny Quick (Johnny Chambers), Liberty Belle, Flash (Barry Allen) (cameo)), Power Ring), Justice League of America (Zatanna, 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), Crime Syndicate (Superwoman, Green Arrow, 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), Secret Society of Super-Villains (The Mist, Black Canary, Batman (flashback), Power Girl (cameo), Shining Knight (dream), Robotman (Robert Crane)), Justice Society of America (Huntress (Helena Wayne), Snapper Carr (cameo), Floronic Man (Jason Woodrue), Zatanna) (all cameo), Justice League of America (Hawkman (Katar Hol, Green Lantern (Alan Scott) (cameo), 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)), Green Lantern (Alan Scott)), Crime Syndicate (Johnny Quick, Zatanna), Per Degaton, Elongated Man, Plant Master), Professor Zee (flashback, 1947), Green Lantern (Hal Jordan) (Cameo), Atom (Ray Palmer), Killer Frost (Crystal Frost), Wildcat (Ted Grant) (cameo), Robin (cameo), Hawkman, 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, Fidel Castro (of Earth-Prime, cameo, 1962), Martian Manhunter (cameo), 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), Cheetah (Deborah Domaine), Justice Society of America (Johnny Thunder's Thunderbolt, The Crime Syndicate (Power Ring, Green Lantern (Hal Jordan), Fidel Castro (of Earth-Prime, flashback, 1962), Ronald Reagan (of Earth-Prime, flashback, 1962), Johnny Thunder's Thunderbolt, Atom (Al Pratt) (cameo), The Monocle), 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)), All-Star Squadron (Robotman (Robert Crane), Professor Zee, 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, Flash (Jay Garrick), Signalman, Floronic Man (Jason Woodrue, Nabu), Nabu) (cameo), Mussolini (of Earth-2), Nikita Khrushchev (of Earth-Prime, flashback, 1962)
Superhero TeamJustice League of America