Guest Stars Peter MacNicol as Professor Elliot Randolph Michael Graziadei as Jakob Nystrom Erin Way as Petra Larsen Co Starring Samantha Cutaran as Karine Micah Nelson as Boy Jessen Noviello as Lars Alex Neustaedter as Maynard Sylvia Brindis as Elena Dennis Keiffer as Rollo Trenton Rogers as Young Grant Ward Toby Wilson as Neils Josh Diogo as Bjorn Brian Orosco as Olaf Steve De Castro as Adar