Mel Blanc

Barney Rubble / Dino / Mr. Spacely (voice)

Daws Butler

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

Don Messick

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

Henry Corden

Fred Flintstone / Knight (voice)

Jon Bauman

Iggy (voice)

Hamilton Camp

Turk Tarpit (voice)

Julie McWhirter

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

George O'Hanlon

George Jetson (voice)

Penny Singleton

Jane Jetson (voice)

John Stephenson

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

Brenda Vaccaro

Didi (voice)

Jean Vander Pyl

Wilma Flintstone / Rosie / Mrs. Spacely (voice)

Janet Waldo

Judy Jetson / Female Computer (voice)

Frank Welker

Dan Rathmoon / Johnny / Mr. Goldbrick (voice)

Patric Zimmerman

(voice)

Bob Hathcock

Producer

Joseph Barbera

Executive Producer

William Hanna

Executive Producer

Don Nelson

Writer

Arthur Alsberg

Writer

Bernard Wolf

Producer

Ray Patterson

Director

Don Lusk

Director