Henry Corden
Fred Flintstone / Knight
Barney Rubble / Dino / Mr. Spacely
Julie McWhirter
Betty Rubble / Jet Rivers / Investor / Panelist / Harem Girl
George O'Hanlon
George Jetson
Daws Butler
Elroy Jetson / Cogswell / Henry Orbit
Don Messick
Astro / R.U.D.I / Mac / Announcer / Store Manager / Robot
Penny Singleton
Jane Jetson
John Stephenson
Mr. Slate / Moderator / Investor / Poker Player
Jean Vander Pyl
Wilma Flintstone / Rosie / Mrs. Spacely
Janet Waldo
Judy Jetson / Female Computer
Dan Rathmoon / Johnny / Mr. Goldbrick
US release
Australia release
Brazil release
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