"There's intergalactic trouble when the lyrics Judy Jetson wrote for teen heartthrob Sky Rocker are swapped with a secret message from a music-hating witch. Now it's up to Judy, her family, and friends to save rock-and-roll."
George O'Hanlon
as George Jetson (voice)
Penny Singleton
as Jane Jetson (voice)
Janet Waldo
as Judy Jetson (voice)
Daws Butler
as Elroy Jetson (voice)
Rob Paulsen
as Sky Rocker / Zany (voice)
Mel Blanc
as Mr. Spacely (voice)
Michael Bell
as (voice)
P.L. Brown
Steve Bulen
Ruth Buzzi
as Felonia Funk (voice)
Hamilton Camp
Selette Cole
Peter Cullen
Pat Fraley
Don Messick
Cindy McGee
Pat Musick
Eric Suter
Jean Vander Pyl
B.J. Ward
Beau Weaver
Paul Sommer
Director
William Hanna
Executive Producer
Joseph Barbera
Kay Wright
Producer
Charles M. Howell IV
Writer
Kevin Hopps
Jayne Barbera
Executive In Charge Of Production
Andrea Romano
Casting Director
Sven Libaek
Music