Gia Đình Khủng Long

Stuart Pankin Earl Sinclair (voice)

Jessica Walter Fran Sinclair (voice)

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Jason Willinger Robbie Sinclair (voice)

Sally Struthers Charlene Sinclair (voice)

Kevin Clash Baby Sinclair (voice)

Sam McMurray Roy Hess / The Doctor (voice)

Florence Stanley Grandma Ethyl Phillips (voice)

Sherman Hemsley B.P. Richfield (voice)

Allan Trautman Hank (voice)

Suzie Plakson Thighs of Thunder (voice)

Michael McKean Dr. Herder (voice)

Christopher Meloni Spike (voice)