Magic School Bus/Thomas


 * Arnold as Spencer


 * Mikey as Edward


 * Mr Seedplot as Henry


 * The Producer as Gordon


 * Carlos as James


 * Radius as Duck


 * Mr Ruhle as Toby


 * Mr McClean as Boco


 * Tim as Oliver


 * Pheobe as Molly


 * Keesha as Emily


 * Wanda as Mavis


 * Dorothy Ann as Rosie


 * Janet as Flora