Trivia: Bad Santa
- Author Existence Failure: John Ritter's character disappears partway through the film.
- Hey, It's That Guy!: Neelix is the Kid's dad!
- Hey, It's That Voice!: Marcus's wife, Lois, is Lauren Tom, best known for playing Amy in Futurama and Numbuh Three (Kuki Sanban) on Codename: Kids Next Door.
- In Memoriam: The film is dedicated to John Ritter.
- What Could Have Been: Bill Murray was the original choice for the lead, but he had to decline due to scheduling conflicts.