Ashley Brown (Mary Poppins), Gavin Lee (Bert), Katie Balen (Jane Banks), Bryce Baldwin (Michael Banks), Karl Kenzler (George Banks), Megan Osterhaus (Winifred Banks), Ellen Harvey (Miss Andrew), Mary VanArsdel (Bird Woman), Brian Letendre (Neleus), Valerie Boyle (Mrs. Brill), Andrew Keenan-Bolger (Robertson Ay), Mike O'Carroll (Admiral Boom), Q Smith (Mrs. Corry), Nick Sanchez (Valentine)