In class at the beginning of the movie the teacher is asking questions about the book "strákarnir með strípurnar" by Ingibjörg Reynisdóttir. the movie Jitters, the directors first feature film, is based on that book
The roles of Helga and older Helga are played by real life mother and daughter Laufey Elíasdóttir and Álfrún Laufeyjardóttir