Directed by Jeff McCracken Written by Michael Jacobs   Bob Young   Tim Doyle   Jim Henson   Mark Drop   Cast Mak Wilson ... Earl Sinclair Bill Barretta ... Earl Sinclair Stuart Pankin ... Earl Sinclair (voice) Allan Trautman ... Fran Sinclair / Dr. Elliot Piaget (voice) Tony Sabin Prince ... Fran Sinclair Jessica Walter ... Fran Sinclair (voice) Steve Whitmire ... Robbie Sinclair Leif Tilden ... Robbie Sinclair Jason Willinger ... Robbie Sinclair (voice) Bruce Lanoil ... Charlene Sinclair / Babysitter Michelan Sisti ... Charlene Sinclair Sally Struthers ... Charlene Sinclair (voice) David Greenaway ... Dr. Herder Tom Fisher ... Dr. Herder / Babysitter Michael McKean ... Dr. Herder (voice) Rickey Boyd ... Ethyl Florence Stanley ... Grandma Ethyl Phillips (voice) John Glover ... Babysitter (voice) Kevin Clash ... Baby Sinclair (voice) John Kennedy ... Baby Sinclair Julianne Buescher ... Additional Dinosaur Performer Jack Tate ... Additional Dinosaur Performer Star Townsend ... Additional Dinosaur Performer (as Star Townshend) Produced by Adam Barr   Mark Brull   Dave Caplan   Tim Doyle   Andy Goodman   Brian Henson   Michael Jacobs   Brian LaPan   Irwin Marcus   Jeff McCracken   Peter Ocko   Ritamarie Peruggi   Kim Rozenfeld   Bob Young   Original Music by Ray Colcord

Additional Info Premiere: July 13, 1994 DVD Release: May 01, 2007 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 #3,485 / 20,875 Site Ranking