When Joe invents a new super battery, it catches the attention of Professor Polonium and her trusted but rather silly sidekick Dr Crumpton.
as Professor Polonium
as Sam / Elvis / Charlie / Norman (voice)
as Arnold / James (voice)
as Malcolm Williams / Map-Screen 700
as Station Officer Steele / Mike Flood / Tom Thomas / Trevor Evans (voice)
as Doctor Crumpton (voice)
as Rose Revani (voice)
as Joe Sparkes (voice)
as Penny / Sarah / Bronwyn / Mrs. Chen / Teleprinter / Map-Screen 700 (voice)
as Ellie / Bella / Scoop Dooley (voice)
as Dilys / Mandy / Helen (voice)
as Moose Roberts (voice)
as Gareth Griffiths (voice)
