Character
Batwoman (Kathy Kane) (Earth 2), Kara, Mr. Terrific (Terrence Sloane) (Cameo), Batman (Bruce Wayne) , Robin, Batman (Bruce Wayne), Oliver Queen (Cameo), Dr. Mid-Nite (Charles Mcnider) (Cameo), Origin, Dinah Drake Lance (Black Canary) (Death), Starman (Ted Knight) Earth 2, Phantom Stranger, Aquaman, Larry Lance (Flashback), Batman (Bruce Wayne) (Earth 1), Joshua, Lois Lane (Earth 2), Roy Harper (Speedy), Lieutenant James Gordon, Corinne, Batman (Bruce Wayne) (Flashback, Cameo), Gus, Thomas Kurland, Wildcat, Atom (Ray Palmer), Catwoman (Selina Kyle) Earth 2, Superman (Clark Kent) Earth 2, Linda Page (Earth 2), Starman (Ted Knight) (Earth 2), Victoria Vale, Green Lantern (Hal Jordan), Lemuel Brown, Atom (Al Pratt) (Cameo), Martha Wayne (Flashback), Bishop Caspian, Doctor Fate (Kent Nelson), The Reaper (Flashback), James Gordon, Batman (Bruce Wayne) (Earth 2), Myra Mcnider (Photo), Black Canary (Dinah Laurel Lance), Metamorpho (Cameo), Catwoman (Selina Kyle) (Earth 2), Robin (Dick Grayson), Sandman (Wesley Dodds) (Cameo), Hugo Marlies, Terry, Starman (Ted Knight) (Cameo), Dr. Erdel, Alfred Pennyworth, Arthur Curry, Deadman, Dr. Clayton Wetley, Robin (Dick Grayson) (Earth 2), Justice Society of America (Flashback) Flash (Jay Garrick) (Cameo), Justice League of America (Flashback, Cameo) Martian Manhunter (J'onn J'onzz), Richard Drake (Flashback), Hawkman (Carter Hall), The Dove (Don Hall), Green Arrow (Oliver Queen), Hourman (Rex Tyler) Earth 2, Thomas Wayne (Flashback), Charles Mcnider, Wonder Woman (Diana Prince) (Earth 2), Creeper (Jack Ryder), Green Lantern (Alan Scott), Dr. Hugo Strange (Earth 2), The Hawk (Hank Hall), Spectre, Flashback, Green Man, Linda Hall, Michelle Hall, James Gordon (Earth 2), Barry Allen, Witch, Scarecrow (Jonathan Crane) (Earth 2), Matthew (Hagen), Vera Sweet, Green Lantern (Alan Scott) Earth 2, Flash (Barry Allen)