CharacterJulu the Elder, The Interplanetary Multi-Dimensional Practical Jokers Club, Lenora Lemaris, Mrs. Danvers, Jerro (statue), President John F. Kennedy, Lex Luthor's parents (flashback), John F. Kennedy, Linda Lee), Mary Jane Watson, Cosmic Boy (figurine), Liz Gaynor, Supergirl (Kara Zor-El) (introduction, origin), Dick Malverne, Prince Endor of Zerox (flashback), Invisible Kid), The Supergirl Emergency Squad (introduction), Allura (android), Mrs. Tomorrow (introduction), Super-Monkey (cameo), Fred Danvers (cameo), Circe (cameo flashback), Mrs. Hart, Superman robots, Shrinking Violet (intro), Superboy (on a poster), Brainiac 5 (flashback), Freddy Blake, Bal-Korin (Census Chief of Kandor), Linda Danvers), Professor Vakox, Jerro (cameo), Jonathan Kent, Edna Danvers (introduction), Jax-Ur (villain), Miss Hart (cameo), Legion of Super-Heroes (Phantom Girl, Jerro the Merboy (intro), Suprgirl, Jor-El), Saturn Woman, Lara), Supergirl Robot, Lyndon B. Johnson, Lightning Man), Edna Danvers, George Washington, Tor-An (Michael Barnes), five fake Supergirls, Supergirl (Kara Zor-El) (origin recap), Lightning Lad (cameo)), Saturn Girl (cameo), Lex Luthor (etching of face), Karen Blair, Joker (picture), Jackie Kennedy, Brainiac (flashback), Supergirl (origin), Streaky the Super-Cat (introduction), Lord Nomed of Zerox (villain), Comet the Super-Horse, Batman (guest star), Comet the Super-Horse (also as Biron) (as Biron in flashback, origin), Betsy Ross, Jik of Mars, Dick Wilson (later Dick Malverne), Fred Danvers, Jerro, Legion of Super-Heroes (Cosmic Boy, Lex Luthor, Superman (flashback, in newsreel footage), Running Deer, Brainiac (picture), Alura (flashback), Jor-El (statue), Johnny Blank (Prince Valzorr), Martha Kent (flashback, Lana Lang (cameo), Lightning Lad, Colossal Boy, Cosmic Boy, Zoxxo, Lesla-Lar, Saturn Girl, Supergirl Emergency Squad, (Linda Danvers), Superman (behind-the-scenes), Marvel Maid (Lea Lindy) (origin), Jonathan Kent (flashback, Miss Hart, Krypto (dream), Jerro (flashback), Supergirl (Linda Danvers) (brief origin), cameo), adult Legion of Super-Heroes (Cosmic Man, Malo (villain), Zor-El (flashback), Linda Lee robot, Joe Hall (villain), Bill Blair, Phantom Woman, Vac-An (fictitious father of Tor-An), Dr. Malverne, Mon-El, Alura, Super-Horse (Comet) (brief origin), Jor-El (cameo), Chameleon Boy, Marvel Man (Ken Clark) (origin), Streaky the Super-Cat, Buffalo Bill, Midvale High School principal, Mrs. Dale (villain), Maldor (flashback), Circe (flashback), Superman (flashback), Saturn Girl (Imra Ardeen), Phantom Girl (intro), Supergirl (Linda Lee), Tough Tommy, Alura (unnamed, flashback), Superman (Cameo), Ronal, Bouncing Boy (intro), Sun Man, Supergirl Robots, Dr. Anton, Zor-El, Triplicate Woman, Allura (flashback), Mr. Wilkins, Supergirl (brief origin), Whizzy (descendant of Streaky), Superman Robots, Mrs. Evans, Pocahontas, Sun Boy (intro), Marvel Man (Ken Clark), Mr. Evans, Lena Thorul, Angark, Jan Danvers (Biff Rigger), Conway Tremaine, Timmy Tate, Lori Lemaris (picture), Kru-El, Lena Thorul (Luthor's sister), Luma Lynai, Miss Hart (introduction), Brainiac 5, Supergirl robot, Annie Oakley, Captain John Smith, Dick Malverne (was Dick Wilson), Professor Hartz, Superman (statue), Supergirl (Kara Zor-El), Ronal (picture), Zor-El (android), Mojax, Lori Lemaris (cameo), Brainiac 5) (cameo flashback), Perry White, Comet (also appears as Bronco Bill) (origin retold), Mr. Mxyzptlk (image), Chameleon Men, Lex Luthor (dream), Lara (cameo), Lira (Martha Kent, Matt Carver, Mr. Dale (villain), Billy Watkins, Mon-El (Lar Gand), Bouncing Boy), Krypto (cameo), Legion of Super-Heroes (Cosmic Boy (cameo), Streaky, Mrs. Wilkins, Squawky the Super-Parrot, Superman Robots, Rolf Von Holtz, Positive Man, Mrs. Brant (villain), mayor of Midvale, Comet the Super-Horse (Bronco Bill), Krypto, Streaky the Super-Cat (Streaky) (cameo), Mace Greede, Robin (guest star), Paul Dexter, Gismak-Ral, Tom Baxter, Bob Carter, Saturn Girl (figurine), Perry White (cameo), Zor-El (introduction, flashback), Professor Damon Brant (villain), Superman (flashback and a cameo as Clark Kent), Lightning Lad (figurine)), Tommy Tomorrow (as a child, earliest chronological appearance), Vostar, Lois Lane, Lori Lemaris, Legion of Super-Heroes (Saturn Girl, Martha Kent, Bob Benson, Sklor (villain), Fred Danvers (introduction), Dr. Blair (flashback), Black Flame (Zora) (villain, introduction, origin), Krypto (statue), bathysphere crew, residents of the city of Kandor, Rhondous, Sun Boy, Superbaby (Rax-Rol), Supergirl, Mr. Tomorrow (introduction), Brainiac 5 (intro)), Lesla-Lar (villain), Helen of Troy, Superman (Clark Kent), Ronal (statue), Garr Rindaz, Cerberus, Mar-San (Jonathan Kent, Lori Lemaris (statue), Jax-Ur, Linda Lee, Legion of Super-Heroes (Mon-El, Biron (flashback), General Zod, Triplicate Girl (intro, later Duo Damsel), Marvel Maid (Lea Lindy), Supergirl (Linda Danvers), Peggy, Mr. Mxyzptlk, Chameleon Man, Clarissa Giltedge, Griffin, Professor Vakox (villain), Chimera
Superhero TeamLegion of Superheroes