Son of Flubber (1963)/Adventure Time

Cast

 * Professor Ned Brainard as Finn
 * Betsy Carlisle as Princess Bubblegum
 * Alonzo P. Hawk as Ice King
 * A. J. Allen as Jake
 * Mr. Harker as Beemo
 * TV Announcer Rex Williams as Michael
 * Biff Hawk as Donut Guy