In contrast to the "new" in the title, most of the original series regulars reprised their roles, including John Astin, Carolyn Jones (billed as a "special guest star"), Jackie Coogan, Ted Cassidy, Lisa Loring, Ken Weatherwax and Felix Silla.

Eleven years after the cancellation of the 1960s TV series, it was the only presentation that brought together most of the original cast in a color production, shot on videotape.

The Addams family are then free to celebrate Halloween happily, ending the night by singing together in welcome for Cousin Shy.

Blossom Rock, who had originally portrayed Grandmama, was ill at the time of the production (she died in January 1978, nearly three months after this special aired), causing her role to be given to Jane Rose.

Margaret Hamilton, who had portrayed Mother Frump, declined to appear in the film; her role was played by Elvia Allman.