CharacterBatman (Bruce Wayne) (Cameo), Wildcat (Ted Grant) (cameo), JLA (Justice League of America, Impulse (Bart Allen)), Aquaman (Arthur Curry) (cameo), Captain Marvel (Billy Batson) (cameo), Flash (Wally West) (cameo), Metamorpho (Rex Mason), Metal Men (Iron, Speedy (Mia Dearden) (cameo), Green Arrow (Oliver Queen) (cameo), Tempest (Garth), Wonder Woman (Diana) (cameo)), Star-Spangled Kid (Courtney Whitmore) (cameo), Sentinel (Alan Scott) (cameo), Troia (Donna Troy), Doctor Fate (Hector Hall) (cameo)), Hawkman (Carter Hall) (cameo), Jesse Quick (Jesse Chambers), Dr. Sarah Charles, Flash (Jay Garrick) (cameo), Plastic Man (Eel O'Brian) (cameo), Troia (Donna Troy) (death)), Martian Manhunter (J'onn J'onzz) (cameo), Young Justice (Empress (Anita Fite), Fever (Shyleen Lao) (cameo), Zatanna Zatara (cameo), Omen (Lilith Jupiter), Wonder Girl (Cassie Sandsmark)), Hawkgirl (Kendra Saunders) (cameo), Commander Halbrook, Indigo, Jean Walters, Cully, Doctor Mid-Nite (Pieter Cross) (cameo), Arsenal (Roy Harper), Kal-El) (cameo), Beast Boy (Gar Logan) (cameo), JSA (Justice Society of America, Troia (Donna Troy)), Superman robot (villain), Power Girl (cameo), Titans (Nightwing (Dick Grayson), Mister Terrific (Michael Holt) (cameo), Superboy (Kon-El), Omen (Lilith Jupiter) (death), Green Lantern (Kyle Rayner) (cameo), Jesse Quick (Jesse Chambers)), Titans (Argent (Toni Monetti), Platinum), Superman (Clark Kent), Lead, Young Justice (Impulse (Bart Allen), Black Canary (Dinah Lance) (cameo), Robin (Tim Drake), Indigo (first appearance), Jesse Quick (Jesse Chambers) (cameo), Impulse (Bart Allen), Sand (Sanderson Hawkins) (cameo), Young Justice (Robin (Tim Drake), Wonder Girl (Cassie Sandsmark), Omen (Lilith Jupiter) (corpse), Cyborg, Nightwing (Dick Grayson), Titans (Arsenal (Roy Harper)
Series TitleTitans/Young Justice: Graduation Day