Jack Mercer credited as playing...
Felix • The Professor • Rock Bottom • Poindexter • Professor • Master Cylinder • King Barney • Leprechauns • Narrator • The Master Cylinder • General Clang • Rajah • Cowboys • King Neptune • MacIntosh • Martian • Martin the Martian • Native Americans • Robot • TV Announcer • TV Interviewer • The Genie • Walter • Zookeeper • Abominable Snowman • African Diamond Man • Airport Announcer • Airport Clerk • Announcer • Baldy Heads Incorporated Speaker • Bird • Blobs • Boss • Bubbles • Cavemen • Cavewoman • Chief Standing Bull • Circus Owner • Cowboy • Delivery Man • Dinah • Doctor • Eagle • Elevator Announcer • Eskimo Girl • Eskimos • Father Time • Ghost • Ghosts • Giant • Gold Prospector • Guard • Headquarters Man • Kangaroo • King Blob • Laundry Delivery Man • Little Martian • Mars • Miracle Chair Salesman • Moths • Movie Director • Mrs. Woodpecker • Museum Guard • Native American Chief • Natives • Newspaper Man • Old Men • Pebble Bottom • Pet Shop Salesman • Pierre Mustache • Police Chief • Police Officer • Police Officers • Police Sergeant • Policeman • Radio Announcer • Radio Announcers • Railroad President • Ravens • Redbeard's Ghost • Robots • Shoeshine Boy • Sir Rock • Space Station Announcer • Spacegram Delivery Man • Stone Carver • Store Owners • Supertoys • TV News Reporter • The Professor's Invention • The Rajah • The Wizard • Townspeople • Toy Store Clerk • Train Conductor • Vavoom
