The Swarm (1978)/Adventure Time

Cast

 * Dr. Bradford Crane as Finn
 * Helena Anderson as Princess Fionna
 * General Thaddeus Slater as Flambo
 * Dr. Hubbard as Beemo
 * Maureen Schuester as ice Cream Lady
 * Felix Austin as Jake
 * Anne MacGregor as Cake
 * Rita as Fionna
 * Jud Hawkins as Mr. Cupcake
 * Major Baker as Ice King
 * Clarence Tuttle as The Lich
 * Dr. Walter Kim as Starchy
 * and more