Red Skull / The Chameleon (24 episodes, 1981-1983)
Mona Osborn (24 episodes, 1981-1983)
Shiro Yoshida / Sunfire (24 episodes, 1981-1983)
Aurora Dante / Honey Dove / Lightwave / Ororo Munroe / Storm (24 episodes, 1981-1983)
Captain America / Steve Rogers / Cyclops / Lance Macho / Scott Summers (24 episodes, 1981-1983)
Genju (24 episodes, 1981-1983)
Pilot / Thief (24 episodes, 1981-1983)
Dr. Faustus / Green Goblin (24 episodes, 1981-1983)
Frankenstein's Monster / Kingpin / Wilson Fisk (24 episodes, 1981-1983)
Electro (24 episodes, 1981-1983)
Professor Wells (24 episodes, 1981-1983)
Doctor Doom (24 episodes, 1981-1983)
Swarm (24 episodes, 1981-1983)
Colossus / Doctor Strange / Eric the Viking / John Proudstar / Loki / Mordred / Piotr Rasputin / Surtur / The Shocker / Thunderbird / Uncle Ben Parker / Ymir (24 episodes, 1981-1983)
Aunt May Parker / Aunt May (24 episodes, 1981-1983)
Shanna the She-Devil / Zerona (24 episodes, 1981-1983)
Angelica Jones / Firestar / Leo the Lion / Ororo Munroe / Storm (24 episodes, 1981-1983)
Bobby Drake / Iceman / Ms. Lion / Flash Thompson / Daredevil / Francis Byte / Hotel Manager / MP / Matt Murdock / Mr. Jones / Ms. Lions / Policeman / Sam Blockbuster / Videoman / Wolf-Thing (24 episodes, 1981-1983)
Peter Parker / Spider-Man / Arachnoid / Buzz Mason / Dr. Zoltan Amadeus (24 episodes, 1981-1983)
J. Jonah Jameson / Namor the Sub-Mariner (24 episodes, 1981-1983)
Skelton (24 episodes, 1981-1983)
Mr. Frump (24 episodes, 1981-1983)
Opening announcer (15 episodes, 1981-1983)
Narrator (8 episodes, 1983)
Cyberiad / Cyclops / Mac Gargan / Nathan Price / Norman Osborn / Scorpion / Scott Summers (3 episodes, 1981-1983)
Charles Xavier / Professor X / Dracula / Kurt Wagner / Nightcrawler (4 episodes, 1982-1983)
Abner Jenkins / Beetle / Flint Marko / Sandman (2 episodes, 1983)
Crusher Hogan / Hulk / Mysterio (2 episodes, 1981-1982)
Black Knight / Thor (2 episodes, 1981)
Cain Marko / Juggernaut / Tony Stark (1 episode, 1982-1983)
Louise / Monica (2 episodes, 1983)
Hiawatha Smith (1 episode, 1981)
Kraven the Hunter (1 episode, 1981)
Magneto (1 episode, 1981)
Angel / Logan / Warren Worthington III / Wolverine (1 episode, 1982)
Bonnie (1 episode, 1982)
Kitty Pryde / Sprite (1 episode, 1983)
Doctor Octopus / Otto Octavius (1 episode, 1983)
Bartow (1 episode, 1983)
Ariel (1 episode, 1983)
Computer / Gamesman / Military Officer (1 episode, 1983)