Michael Biehn shot his scenes for free in one day as a favor to his good friend Electra Stone, one of the producers.
While eating fugu, Duke says "I cannot see her tonight. I have to give her up. So I will eat fugu." This is, in fact a famous senryu from Japanese poet Yosa Buson, written in the 18th century.
The van that is used for the diamond burglary says Falkore Plumbing on the side. Falkor is the name of the Luck Dragon that Atreyu rides in The Neverending Story. Atreyu was played by Noah Hathaway, who plays Fish in this film.
This is Noah Hathaway's first role in a full length film since 1994.