Jessica D. Stone

Stanley (voice)

Charles Shaughnessy

Dennis (voice)

Ari Meyers

Mom (voice)

Hynden Walch

Elsie (voice)

Hillary B. Smith

Paleontologist (voice)

Randy Quaid

Rockin' Rory (voice)

John Ritter

Great Uncle Stew (voice)

David Landsberg

Shawn Pyfrom

Philece Sampler