CharacterViking Prince, Hourman, Jess Bright, Alan Scott (Green Lantern), The Losers (Capt. Storm, Dinah Drake (Black Canary), Rocky Davis) (in newsreel), Bugs Bunny, Prof Haley, Dr. Mid-Nite (Charles McNider), Captain Cold (Len Snart), The Flash (Jay Garrick)) (all in cameo), Batman (Bruce Wayne), Spectre (Jim Corrigan), Jimmy Olsen, Captain Marvel (Billy Batson), Prof Haley), Doctor Mid-Nite [Doctor Charles McNider], Sarge, J'onn J'onzz (Martian Manhunter, Wonder Woman (Diana Prince), Dr. Fate (Kent Nelson), Task Force X (Col. Rick Flagg, Jack Ryder, J'onn J'onzz (John Jones), Wildcat, Red Ryan, Iris Allen, Hourman (Rex Tyler), King Faraday, Johnny Cloud), Easy Company (Sgt. Rock, Karin Grace), Barry Allen (The Flash), Ace Morgan, John Jones (J'onn J'onzz, Gunner, Lois Lane, Carol Ferris, Hawkgirl (Shiera Sanders), Native American (from early television sign-off image)), Ice Cream Soldier, Vice Pres. Richard Nixon, John Henry (John Henry Wilson), Ted Grant (Wildcat), Iris West (not pictured), Dr. Charles McNider (Dr. Mid-Nite), Zack, Bulldozer, Groucho Marx, Chuck Yeager, John Henry, Martian Manhunter), Rocky Davis, Dr. Erdel, Johnny Thunder (western hero, on TV screen), Black Canary (Dinah Drake), Dr. Erdel (in briefing materials), Pres. Dwight D. Eisenhower, Wild Man, Karin Grace, Justice Society of America (Green Lantern (Alan Scott), Superman (Clark Kent), Hawkman (Carter Hall), Little Sure Shot), Col. Rick Flagg, Hal Jordan, Pooch), Cassius Clay (Muhammad Ali), Slam Bradley, Hal Jordan (Green Lantern), Pancho Barnes, Selina Kyle (Catwoman), Dr. Hugh Evans, Adam Strange, Steve, J'onn J'onzz (Martian Manhunter), also John Jones), Oliver Queen (Green Arrow), Flash (Jay Garrick), Barry Allen, Johnny Cloud, Jess Bright), Roy Raymond (referred to in Iris' article), Flash (Barry Allen)
Superhero TeamChallengers of the Unknown