Christopher Silas Neal Kevin / Kelly Susan Kelly Jimmy / Jeff Mack Frog / Aaron Peter Brown Creepy / Jonathan Poly Bernatene / Mo Mo Willems Mo Willems / Jane Little / Duncan Duncan Tonatiuh / Cathleen Stephen Michael King / Nic Nic Bishop Nic / Susan Kelly Susan Kelly / Chris Chris Van Dusen Helen / Alice David Slonim / Jeremy Bean / A. Oliver Dominguez / Aaron Dial / Aaron Meshon Prudence / Doreen Matt Tavares Disney / Helen Keller / Lena Blackburne / Deborah Lee / Jacqueline Mack / Van Dusen / David A. Oliver / Children / Kevin Christopher Silas Neal / /