Character
The Purple Gang "Slug" Martin, Marty Watson, Ranny Holton, Professor Claude, Pugs Orton, Professor Clyde, Caesar Sykes, "Safety" Stone, Target Kid, Mr. Hardy, Cal Dawson, Cal Clayton, "Squinty" Ames, Jumbo Jones (Cameo), Superbaby, Petunia, King (Dog), Mickey Mouse Todd, Joe King, Bozo Bane, Guardiac (Robot), Danny the Dino, Leonard "Lefty" Lake, Moose Morton, Prince Rex of Dalmania, Superman (Cameo), Lefty Orton (in Flashback), Doc Brane, Cal Crane, Agatha Ames, Lex Luthor (in Flashback), "Deuce" Dorgan, Professor William March, Alphonse Baker, "Blitz" Brown, Bob Dunn, Bart Gordon, Swami Rama ("Con" Conners), Chief Whiteus, "Labs" Logan, Henry Bascom/Mr. Bartley, Signal Watch, Jimmy Olsen (Also As Sherlock Holmes Junior), Freddy the Office Boy, "Gunner" Martin, Kitty Devoe, Prime Minister Zormio, Lulu Lyons (Introduction), Cal Trent (Custodian of the Superboy Museum), Thor, Mr. Danning (Circus Owner), Sergeant Clancy, The Silk Gang, Unnamed Messenger, Blacky Blake, Joel Todd, Flying Newsroom, "Con" Conners, Jumbo Jones, Samson, Barney Bolton, Dr. Saxon, The Sheriff, Jumbo, Unnamed Doctor, Tad King, Trikko, "Sly" Saunders, Joe Cobb (Mob Chief), Perry White, Professor Peter Shaw, Tommy Blair, Pyramid Petrus, Princess Teena, Professor Todd, Andrew Carlton, Sir Hocus, Ted Blaine, Charles Gordon, "Slippery" Sam, Superboy, Mr. Barton, Jimmy Olsen, Star Flash (Horse), Anthony "Slick" Slade, Officer Clancy, Otho of Doraynia, Prankster (in Flashback), "Angles" Archibald, Toyman (in Flashback), Gorilla Gordon, Dan Conrad, "Doc" Archer, Jimmy Olsen (Robot), Barton "Blacky" Black, Superboy (in Flashback), "Faker" Floyd, Paul Orton, "Ghost" Gordon, Khim-Zott of Mars, Rollo (Dog), Cyrus Colby, Perry White (Cameo), Loot Logan, Sing Sing Sykes, Professor Potter, Dictator Kobla, Professor Boone, Dick Crane, Tom Barton, Roger Craig, Mr. Todd, Hal Otis, Lois Lane, Jumbo (Pilot of the Flying Newsroom), Chief Perri, Superman Robot, Killer Burke, Sahib Sik, Don Dirkson, Otis Burton, Tommy Todd, Hercules, Gunsmoke Gus, John Cyrus, Superman (Clark Kent), Lana Lang, Henshaw, "Sneaky" Storch, Peter Crane, Jimmy Olsen (Also As Superboy), Two Unnamed Mobsters, Sparks Sloane, Betty Hart, Lois Lane (Cameo), Jimmy Olsen (Also As Wonder Lad), Avery Squinch, Professor Xerxes (Jon Smyth), Riddle Reporter (Robot), Paul Meredith, "Slick" Dugan, Mrs. Crane, "Red" Redding