Barney Rubble / Dino / Mr. Spacely (voice)

Mel Blanc

Acting

Elroy Jetson / W.C. Cogswell / Henry Orbit (voice)

Daws Butler

Acting

Astro / R.U.D.I / Mac / Announcer / Store Manager / Robot (voice)

Don Messick

Acting

Fred Flintstone / Knight (voice)

Henry Corden

Acting

Iggy (voice)

Jon Bauman

Acting

Turk Tarpit (voice)

Hamilton Camp

Acting

Betty Rubble / Jet Rivers / Investor / Panelist / Harem Girl (as Julie Dees) (voice)

Julie McWhirter

Acting

George Jetson (voice)

George O'Hanlon

Acting

Jane Jetson (voice)

Penny Singleton

Acting

Mr. Slate / Moderator / Investor / Poker Player (voice)

John Stephenson

Acting

Didi (voice)

Brenda Vaccaro

Acting

Wilma Flintstone / Rosie / Mrs. Spacely (voice)

Jean Vander Pyl

Acting

Judy Jetson / Female Computer (voice)

Janet Waldo

Acting

Dan Rathmoon / Johnny / Mr. Goldbrick (voice)

Frank Welker

Acting

(voice)

Patric Zimmerman

Acting