Character
Kraad, the Conqueror (Villain), Justice Society of America Hawkman (Carter Hall), Justice League of America Wonder Woman (Diana Prince), Dr. Fate Kent Nelson, Aquaman (Arthur Curry) (Cameo), Batman (Bruce Wayne), Green Arrow (Oliver Queen) (Cameo), The Fiddler, General Cornwallis Earth-3, Justice League of America Aquaman (Arthur Curry) , Atom (Ray Palmer), Spaceman X (Villain), Hawkgirl (Cameo), Jasonar (Flashback), Starro, J'onn J'onzz, Dr. Fate (Kent Nelson) (Earth-2), Head Mastermind (Villain), Ultraman (All Earth-3) (Introduction), Jean Loring, Kanjar Ro (Villain), Abraham Lincoln Earth-3, Alanna (Flashback), Snapper Carr, Ulthoon (Flashback), Hawkman (Carter Hall) (Earth-2), Rath, The Icicle (Joar Mahkent), Crime Champions Felix Faust, Dr. Light (Flashback), Adam Strange (Guest Star), President John Wilkes Booth Earth-3, Despero (Villain), Hawkman (Katar Hol), Chac (Dream Version, Villain), Demons Three Ghast, Rockmen of Pluto (Cameo), Kanjar Ro (Flashback), Robin (Dick Grayson), Kal-El (Cameo), Green Arrow (Oliver Queen) (Earth-1), Hourman (Rex Tyler), The Mask (Villain), Brain Storm (Villain), Justice League of America The Flash (Barry Allen), Snapper Carr (Cameo), Wonder Woman (Diana Prince) (Cameo), Atom (Ray Palmer) (Cameo), Justice League of America Atom (Ray Palmer), Felix Faust, Wonder Woman (Diana Prince), Martian Manhunter John Jones, Green Arrow (Oliver Queen), Green Lantern (Alan Scott), The Endless One (Villain), Starman (Ted Knight), Wonder Woman (Diana Prince) (Earth-1), Justice League of America Green Lantern (Hal Jordan), Dr. Polaris (Villain), The Wizard, Green Arrow (Earth-1), Batman (Bruce Wayne) (Cameo), Atom (Ray Palmer), Ultraman, "I" (Villain), Snapper Carr (Mascot), Dr. Mid-Nite (Charles Mcnider), Justice League of America Superman (Clark Kent), Killer Moth (Villain), Etheran (Androids), The Protectors of Starzl Terrane, Super-Duper (Villain), The Joker (Dream Version, Villain), Superman (Clark Kent), Kal-El, The Alien-Ator (Villain), Green Lantern (Hal Jordan), Kaston Tharn, Martian Manhunter, Justice League of America Green Arrow (Oliver Queen), Adam Strange (Flashback), Aquaman (Arthur Curry), Justice League of America (Aquaman Arthur Curry), Pied Piper (Villain), Carol Ferris, Superwoman, Crime Syndicate of America Power Ring, Tattooed Man (Villain), Joe Perry (Villain), Dr. Destiny (Villain), Justice League of America Batman (Bruce Wayne), Justice League of America Aquaman (Arthur Curry), George Washington Earth-3, Crime Champions Chronos (David Clinton), Dr. Alchemy (Albert Desmond), Jason Markham, Midge (Snapper's Girlfriend), Black Canary (Dinah Drake) (Earth-2), Black Canary (Dinah Drake), The Tornado Tyrant (As the Tornado Champion, Villain), Brain Storm (Intro, Villain), Queenbee (Queen Zazzala) (Villain), Justice Society of America Atom (Al Pratt), The Top (Villain), Per Kazz, Midge (Snapper's Girlfriend, Cameo), Matter Master (Villain), Hawkman (Katar Hol) (Joins), Christopher Columbus Earth-3, The Palador on the Space-Island of Peril (Flashback), Ocana, Chronos (David Clinton), Cameo, Abnegazar, Batman (Bruce Wayne) (Earth-1), Mechanical Masters of Rann (Flashback), Kal-El (Earth-1), Atom (Al Pratt), Amazo (Cameo), Johnny Quick, Owlman, Flash (Jay Garrick), Nabu, Dagon (Villain), Flash (Barry Allen)