This cartoon series, characterized by extremely limited animation, features five of the most popular super-powered heroes from Marvel Comics: the Incredible Hulk, the Mighty Thor, Captain America, Iron Man, and the Sub-Mariner.

Chris Wigginsas Thor (Dr. Donald Blake) (voice)
Paul Solesas Rick Jones (voice)
John Vernonas Iron Man (Tony Stark) (voice)
Don Masonas Rick Jones (voice)
Claude Raeas General Thaddeus Ross (voice)
Bernard Cowanas Narrator (voice)
Gillie Fenwickas The Leader (voice)
Roy Lichtenstein
Jack Kirby
Stan Lee