Tina Leijonberg was meant to play the part of Marlyn Svensson, the singing danceress. Ingrid Janbell replaced Tina Leijonberg for the part of Marlyn, because Tina was injured after her participation on Avsnitt 4 (1997).
Hemlighuset (1996) is an adaptation of Spell-ôlja (1983). "Spell-ôlja" is dialectal Swedish for "waste-oil" (which is "spillolja" in Standard Swedish).
Jean (pronounced almost like Shawn) is a French male name, equivalent to John in English.