Directed by Jeff McCracken Written by Michael Jacobs   Bob Young   Peter Ocko   Adam Barr   Jim Henson   Cast Jason Alexander ... UFO! Host / Announcer (voice) Bill Barretta ... Earl Sinclair Rickey Boyd ... Additional Dinosaur Performer Julianne Buescher ... Additional Dinosaur Performer 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 / UFO Host / Announcer Pons Maar ... Roy Hess Sam McMurray ... Roy Hess (voice) Stuart Pankin ... Earl Sinclair (voice) Tony Sabin Prince ... Fran Sinclair Michelan Sisti ... Charlene Sinclair / UFO Host / Announcer 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 Chuck Varesko ... TV Announcer Jessica Walter ... Fran Sinclair (voice) Steve Whitmire ... Robbie Sinclair / B.P. Richfield 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: May 02, 1993 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