** Danny is voiced by MattHill, most notable as the voice of Ed in ''WesternAnimation/EdEddNEddy''.
** Chris and Jeremy are voiced by SamuelVincent, who voiced Martin and Billy in ''WesternAnimation/MartinMystery''.
** Cathy is voiced by Andrea Libman. This was before her breakthrough roles as Pinkie Pie and Fluttershy in ''WesternAnimation/MyLittlePonyFriendshipIsMagic''.
** Sam is voiced by Creator/AnnaCummer, whose notable voice is Star Light and Star Bright in ''MyLittlePony''.
* [[TalkingToHimself Talking to Herself]]: Wendy and John are both voiced by TabithaStGermain.
* TalkingToHimself: Mr. Smith, Mr. Fusster, Mark and Roy are both voiced by IanJamesCorlett.
* In 2010, ''Monster Buster Club'' is the second most popular kid's show on [=TF1=] (channel in France), next to ''WesternAnimation/TotallySpies''