Perhaps this will be unpopular, but it was all Raul Julia. He definitely out-Gomezed John Astin, but Carolyn Jones was something else.
I don’t mean to sleight Anjelica Huston, but it would be difficult to fail working opposite Raul, and Carolyn Jones was frequently the one carrying John Astin in the series.
Not to speak ill of Astin either, because he was good, but he played it differently
I remember that marketing campaign. Windows Vista had a shaky launch, because the hardware manufacturers hadn’t polished the Vista-compatible drivers yet. 6 months later, they had caught up, but people still had a bad taste from it.
So when service pack 1 came out, Microsoft made a reskinned version of it and started an ad campaign with “customers” claiming “Windows 7 was my idea!” and the public ate it up.