On screen
Cast
79 credited performers
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
Andre (voice)
Florence Stanley
Grandma Ethyl Phillips (voice)
Sherman Hemsley
B.P. Richfield (voice)
Allan Trautman
Narrator / Officer Brazelton (voice)
Suzie Plakson
Monica Devertebrae (voice)
Michael McKean
Inspector (voice)
Christopher Meloni
Spike (voice)
Thom Sharp
Larry (voice)
Jessica Lundy
Vendor (voice)
Jason Alexander
Grown Baby (voice)
Tim Curry
Fox Jacket (voice)
Michael Dorn
Solomon The Great (voice)
Kirk R. Thatcher
Timmy (voice)
Gary Owens
Narrator (voice)
Chuck Varesko
TV Announcer (voice)
Julianne Buescher
Simone Poupon (voice)
Michelan Sisti
Additional Dinosaur Performer / Cavepeople
Robert Picardo
Ted (voice)
Brian Henson
Aubrey Molehill (voice)
Richard Portnow
Mel Luster (voice)
Paxton Whitehead
Sir David Tushingham
John Glover
Babysitter (voice)
Steve Whitmire
Mr. Mason Dixon (voice)
Michael Earl
Boy Contestant (voice)
David Wohl
Bob (voice)
Bruce Lanoil
Francois Jean-Marie Poupon (voice)
Joe Flaherty
Chief Elder (voice)
Glenn Shadix
Ray (voice)
Joyce Kurtz
Brigitte (voice)
Steve Landesberg
Gary (voice)
Julia Louis-Dreyfus
Heather Worthington (voice)
Ken Hudson Campbell
Crazy Lou (voice)
Jeffrey Tambor
Hank Hibler (voice)
Dan Castellaneta
Zabar (voice)
Stephen Caffrey
Scabby (voice)
Harold Gould
Dinosaur Chief (voice)
Sally Kellerman
Pteranodon (voice)
Harry Shearer
Narrator (voice)
Perry Anzilotti
Chang Chang
Jeff Chayette
Ling Ling
Julie Maddalena
Caveman's Wife
Peter Bonerz
Insurance Agent (voice)
Steven Banks
Folk Singer (voice)
Paula Marshall
Cavewoman
Tim Doyle
General Chow (voice)
Mimi Kennedy
Glenda Molehill (voice)
Jack L. Harrell
Mr. Harold Heffer (voice)
David Leisure
Mr. Teddy Wolfe (voice)
Heather McPhaul
Caller (voice)
Tony Shalhoub
Jerry Valentine (voice)
John Vernon
Mr. Ashland (voice)
William Schallert
Wesayso Scientist (voice)
Edie McClurg
Shopper (voice)
Buddy Hackett
Louie (voice)
George Gaynes
Elder in Chief (voice)
G.W. Bailey
Sarge (voice)
Fred Travalena
Bob Hack (voice)
Jason Bernard
Edward R. Hero (voice)
Shaun Baker
Lingo (voice)
Michael Richards
Director (voice)
Richard Simmons
Richard Simmons Dinosaur (voice)
Kate McGregor-Stewart
Neighbor No. 3 (voice)
Charles Kimbrough
Dr. Ficus (voice)
Wendie Jo Sperber
Wendy Richfield (voice)
Pat Crawford Brown
Stenographer (voice)
Elizabeth Collins
Leeza (voice)
Julius Carry
Mudbelly (voice)
Jon Polito
Ty Warner (voice)
Conchata Ferrell
Shelly (voice)
David Warner
Spirit of the Tree (voice)
Susan Norfleet
Pearl Sinclair (voice)
Ed Asner
Evil Georgie (voice)
Ernie Anderson
Announcer (voice) (uncredited)
Eileen Dunn
Miss Honeywell