Ηθοποιοί επεισοδίου
Stuart PankinEarl Sinclair (voice)
Jessica WalterFran Sinclair (voice)
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Jason WillingerRobbie Sinclair (voice)
Sally StruthersCharlene Sinclair (voice)
Kevin ClashBaby Sinclair (voice)
Μπράιαν ΧένσονArthur Rizzic (voice)
Sally KellermanPteranodon (voice)
Allan TrautmanLieutenant / Rocco (voice)
Richard SimmonsRichard Simmons Dinosaur (voice)
Suzie PlaksonMonica Devertebrae (voice)
Florence StanleyGrandma Ethyl Phillips (voice)
Sam McMurrayRoy Hess (voice)