The sudden change in the werewolf makeup during the first season was due to actor Brandon Quinn's allergic reaction to the original makeup.
Rachelle Lefevre left the show after the first season to pursue college just as her character, Stacey Hanson, did.
Brandon Quinn (Tommy Dawkins) and Danny Smith (Merton Dingle) later played another pair of best friends, Richie Taylor and Benji Berg, in The Bail (2002).