Full Cast — Dinosaurs (1991–1995)

Stuart Pankin

Earl Sinclair (voice)

Jessica Walter

Fran Sinclair (voice)

Jason Willinger

Robbie Sinclair (voice)

Sally Struthers

Charlene Sinclair (voice)

Kevin Clash

Baby Sinclair (voice)

Sam McMurray

Absolute Proof Laboratories Scientist (voice) / Roy Hess (voice) / Roy Hess / Stan (voice) / Wesayso Interviewer (voice) / John (voice) / Dolf (voice) / Roy Hess / The Doctor (voice) / Roy Hess / Buddy Glimmer (voice) / Andre (voice)

Florence Stanley

Grandma Ethyl Phillips (voice)

Sherman Hemsley

B.P. Richfield (voice)

Allan Trautman

Maurice (voice) / Georgie (voice) / Hank (voice) / Mug Salesman (voice) / Lieutenant / Rocco (voice) / Mr. Otto Lynch (voice) / Monster (voice) / Dr. Elliot Piaget (voice) / Narrator / Officer Brazelton (voice) / Mr. Pulman (voice) / Moola the Cash Cow (voice)

Suzie Plakson

Monica Devertebrae / Sally (voice) / Thighs of Thunder (voice) / Elder #3 (voice) / Monica Devertebrae (voice)

Michael McKean

Ansel (voice) / Officer Bettleheim (voice) / Bryant (voice) / Mr. Myman (voice) / Guy in the Lab Coat (voice) / Inspector (voice) / Ed (voice) / Kyle (voice) / Hank (voice) / Les (voice) / Police Chief Parish (voice) / Dr. Herder (voice)

Christopher Meloni

Spike (voice)

Thom Sharp

Richard (voice) / Ed (voice) / Chef (voice) / Decker (voice) / Bert (voice) / Ticket Guy (voice) / Larry (voice) / Frank (voice) / Walter Sternhagen (voice)

Jessica Lundy

Mindy (voice) / Caroline Foxworth (voice) / Sitcom Wife (voice) / Vendor (voice)

Jason Alexander

Stu (voice) / UFO! Host / Announcer (voice) / Gus Molehill (voice) / Grown Baby (voice) / General H. Norman Conquest (voice) / The Job Wizard (voice) / Sexual Harris (voice)