Directed by Tom Trbovich   Written by Michael Jacobs   Bob Young   Tim Doyle   Jim Henson   Cast Mak Wilson ... Earl Sinclair Bill Barretta ... Earl Sinclair Stuart Pankin ... Earl Sinclair (voice) Allan Trautman ... Fran Sinclair Tony Sabin Prince ... Fran Sinclair Steve Whitmire ... Robbie Sinclair Leif Tilden ... Robbie Sinclair Jessica Walter ... Fran Sinclair (voice) Jason Willinger ... Robbie Sinclair (voice) Bruce Lanoil ... Charlene Sinclair / Glenda Molehill / Solomon The Great Michelan Sisti ... Charlene Sinclair Sally Struthers ... Charlene Sinclair (voice) John Kennedy ... Baby Sinclair Kevin Clash ... Baby Sinclair (voice) David Greenaway ... Gus Molehill Jason Alexander ... Gus Molehill (voice) Tom Fisher ... Glenda Molehill Mimi Kennedy ... Glenda Molehill (voice) Julianne Buescher ... Aubrey Molehill Brian Henson ... Aubrey Molehill (voice) Sam McMurray ... Absolute Proof Laboratories Scientist (voice) Jack Tate ... Gus Molehill / Solomon The Great Michael Dorn ... Solomon The Great (voice) Pons Maar ... Additional Dinosaur Performer Star Townsend ... Additional Dinosaur Performer (as Star Townshend) Produced by Mark Brull   Michael Jacobs   Jeff McCracken   Rob Ulin   Original Music by Ray Colcord

Additional Info Premiere: November 27, 1991 DVD Release: May 02, 2006 Country: Distributor: Buena Vista Home Entertainment Websites: Production Companies Jim Henson Productions Michael Jacobs Productions The Jim Henson Company Walt Disney Television Distributors ABC Signature   (2016) (USA) (DVD) American Broadcasting Company (ABC)   (1991-1994) (USA) (TV) Disney Channel   (1995-2000) (USA) (TV) Disney+   (2021) (USA) (video) (VOD) Disney-ABC Domestic Television   (1991) (USA) (TV) Rating Stats Overall Rating -- / 10 Our Rating -- / 10 Your Friends -- / 10 Male Users -- / 10 Female Users -- / 10 Site Ranking #3,541 / 21,519 Site Ranking