Jessica D. Stone
Stanley (voice)
Acting
Charles Shaughnessy
Dennis (voice)
Acting
Ari Meyers
Mom (voice)
Acting
Hynden Walch
Elsie (voice)
Acting
Khylan Jones
Mimi / Marci (voice)
Acting
Hillary B. Smith
Paleontologist (voice)
Acting
Randy Quaid
Rockin' Rory (voice)
Acting
John Ritter
Great Uncle Stew (voice)
Acting