Directed by Bruce Bilson Written by Michael Jacobs   Bob Young   Victor Fresco   Jim Henson   Cast Bill Barretta ... Earl Sinclair Rickey Boyd ... Grandma Ethyl Phillips Julianne Buescher ... The Smoo Show Singers (voice) Kevin Clash ... Baby Sinclair (voice) Tom Fisher ... Additional Dinosaur Performer David Greenaway ... Roy Hess Sherman Hemsley ... B.P. Richfield (voice) John Kennedy ... Baby Sinclair Bruce Lanoil ... Charlene Sinclair / Larry Pons Maar ... Roy Hess / Larry Kate McGregor-Stewart ... Neighbor No. 3 (voice) Sam McMurray ... Roy Hess (voice) Rob Mills ... Robbie Sinclair / B.P. Richfield Stuart Pankin ... Earl Sinclair (voice) Tony Sabin Prince ... Fran Sinclair Thom Sharp ... Larry (voice) Michelan Sisti ... Charlene Sinclair Florence Stanley ... Grandma Ethyl Phillips (voice) Sally Struthers ... Charlene Sinclair (voice) Jack Tate ... Additional Dinosaur Performer Leif Tilden ... Robbie Sinclair Star Townsend ... Neighbor No. 3 (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: October 02, 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 #3,486 / 20,886 Site Ranking