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

David Landsberg

Acting

Shawn Pyfrom

Acting

Philece Sampler

Acting

Daniel Franklin Hatch

Acting