The Last Mimzy (2007)/Hey Arnold

Cast

 * Emma Wilder as Helga
 * Noah Wilder as Arnold
 * David Wilder as Dino Spumoni
 * Jo Wilder as Rhonda
 * Larry White as Ernie
 * Naomi Schwartz as Sheena
 * FBI Special Agent Nathaniel Broadman as Coach Wittenberg
 * FBI Task Force Agent as Scheck
 * Sheila Broadman as Mitzi
 * Harry Jones as Gerald
 * Wendy as Olga
 * Lena as Reba
 * Brian Greene as Principal Wartz (cameo)