In contrast to Max, who likes to drink and do drugs (namely marijuana), Kat Dennings actually does not smoke, drink, or do drugs, and does not like to be around those who do.
Chestnut, Caroline's (Beth Behrs) horse, appears in all seasons and is portrayed by a horse named Rocky.
Despite their characters having accents and being from other countries, Jonathan Kite, Jennifer Coolidge, and Matthew Moy were all born and raised in America and speak with American accents; Moy, though portrayed as Korean, is actually of Chinese descent.
Had the show lasted another season, there were reports the show's producers would offer Cher a guest-starring spot as Max's mother.