* Roxy Hunter played by Haley Joel Osment
* Max Hunter played by Ali Lohan
* Agent X played by Adam Wylie
* Sergeant Kelly played by Kristine Sutherland
* The Ghost of Jasper played by David Dorfman
* The Mayor played by Diedrich Bader
It's worth noting that this film was a sequel to the 2007 movie "Roxy Hunter and the Mystery of the Stolen Stones" which starred the same actors.