After the 2004 recast, this was the first animated role for Hilary Duff & Haylie Duff respectively. They will voice again, about 8 years later, in Foodfight! (2012).
This is Phil Mendez' last role as a character designer until his return on television with Pom Pom and Friends (2011) and on feature films with The Legend of Secret Pass (2010).
This is William R. Kowalchuk Jr.'s last role as a producer, supervising editor, Hollywood voice director, and storyboard supervisor for feature films. Additonally, this is also his last directorial role in feature films until his return, about 4 years later, in At Jesus' Side (2008).
As a contributing writer, this is the last of the two roles for Lee Tockar. The other is being as Rudolph the Red-Nosed Reindeer & the Island of Misfit Toys (2001).
Michael Aschner: Uncreditedly, the credited writer Michael Aschner voices as the Mayor of Santa's City, who presented the key to penguin princesses Crystal & Lucinda and Pup.
Seth Willenson: When Princess Crystal, upon hearing comments from her rival Lucinda and her maids playing ball in the water, sadly rolls in the document, the initials of "SW" is displayed. Seth Williamson was executive producer of his time at GoodTimes Entertainment.