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, Phantom Stranger, Dinah Drake Lance (Black Canary) (Death), Starman (Ted Knight) Earth 2, 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, Starman (Ted Knight) (Earth 2), Linda Page (Earth 2), Victoria Vale, Green Lantern (Hal Jordan), Lemuel Brown, Martha Wayne (Flashback), Atom (Al Pratt) (Cameo), Bishop Caspian, Doctor Fate (Kent Nelson), The Reaper (Flashback), James Gordon, Myra Mcnider (Photo), Batman (Bruce Wayne) (Earth 2), 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), Alfred Pennyworth, Dr. Erdel, Arthur Curry, Deadman, Dr. Clayton Wetley, Justice Society of America (Flashback) Flash (Jay Garrick) (Cameo), Robin (Dick Grayson) (Earth 2), 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), Thomas Wayne (Flashback), Hourman (Rex Tyler) Earth 2, Charles Mcnider, Creeper (Jack Ryder), Green Lantern (Alan Scott), Wonder Woman (Diana Prince) (Earth 2), Spectre, The Hawk (Hank Hall), Flashback, Dr. Hugo Strange (Earth 2), 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)