Directed by Bruce Bilson   Written by Michael Jacobs   Bob Young   Lawrence H. Levy   Jim Henson   Cast Bill Barretta ... Earl Sinclair Rickey Boyd ... Additional Dinosaur Performer Julianne Buescher ... Wendy Richfield Kevin Clash ... Baby Sinclair (voice) Tom Fisher ... Additional Dinosaur Performer David Greenaway ... Spike Sherman Hemsley ... B.P. Richfield (voice) John Kennedy ... Baby Sinclair Bruce Lanoil ... Charlene Sinclair Pons Maar ... Additional Dinosaur Performer Christopher Meloni ... Spike (voice) Rob Mills ... Robbie Sinclair / B.P. Richfield Stuart Pankin ... Earl Sinclair (voice) Tony Sabin Prince ... Fran Sinclair Michelan Sisti ... Charlene Sinclair / Wendy Richfield Wendie Jo Sperber ... Wendy Richfield (voice) Sally Struthers ... Charlene Sinclair (voice) Jack Tate ... Additional Dinosaur Performer Leif Tilden ... Robbie Sinclair Star Townsend ... Additional Dinosaur Performer (as Star Townshend) Allan Trautman ... Fran Sinclair Jessica Walter ... Fran Sinclair (voice) Jason Willinger ... Robbie Sinclair (voice) Mak Wilson ... Earl Sinclair Produced by Mark Brull   Michael Jacobs   Jeff McCracken   Original Music by Ray Colcord

Additional Info Premiere: November 13, 1992 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 #3,496 / 21,075 Site Ranking