Barney Rubble / Dino / Mr. Spacely (voice)
Mel Blanc
Elroy Jetson / W.C. Cogswell / Henry Orbit (voice)
Daws Butler
Didi (voice)
Brenda Vaccaro
Wilma Flintstone / Rosie / Mrs. Spacely (voice)
Jean Vander Pyl
Judy Jetson / Female Computer (voice)
Janet Waldo
Dan Rathmoon / Johnny / Mr. Goldbrick (voice)
Frank Welker
(voice)
Patric Zimmerman
Astro / R.U.D.I / Mac / Announcer / Store Manager / Robot (voice)
Don Messick
Fred Flintstone / Knight (voice)
Henry Corden
Iggy (voice)
Jon Bauman
Turk Tarpit (voice)
Hamilton Camp
Betty Rubble / Jet Rivers / Investor / Panelist / Harem Girl (as Julie Dees) (voice)
Julie McWhirter
George Jetson (voice)
George O'Hanlon
Jane Jetson (voice)
Penny Singleton
Mr. Slate / Moderator / Investor / Poker Player (voice)
John Stephenson
Executive Producer
William Hanna
Director
Ray Patterson
Joseph Barbera
Writer
Don Nelson
Arthur Alsberg
Producer
Bob Hathcock
Bernard Wolf
Don Lusk