After the movie premiered children would frequently recognize Raul Julia as Gomez Addams out in public, which according to him, always brought a smile to his face. Julia stated that Gomez Addams was by far his favorite role, and his family said this recognition was especially meaningful to him in the final months of his life because he loved performing for children and making them happy whenever the opportunity presented itself.
According to Anjelica Huston, Christina Ricci came up with Wednesday's sleeping position (with her arms folded across her chest) herself.
The name Wednesday is a reference to the line in the Mother Goose poem that goes, "Wednesday's child is full of woe."
The exterior of the Addams' house was built for $100,000.
In Los locos Addams (1964), Grandmama was Gomez's mother and her name was Eudora Addams. In the movies she is Morticia's mother and her name was changed to Esmerelda Frump. (Morticia's mother in the series was Hestor Frump.) This provided a joke for The Addams Family musical. Morticia, angry at Gomez, brings up the time his mother came to visit for a week, "And she's still here, living in the attic." Gomez responds, "My mother? I thought she was your mother!"
Barry Sonnenfeld: The passenger on the model train that a giant Gomez looks into the window and laughs at before the two model trains crash into each other.