After a disastrous US opening, a UK cinema release for the film was dropped, despite cinemas and trailers advertising its release. The film was released direct-to-video, as it was in several other European countries.
Famous French actor/director Alain Chabat serves as a producer as well as making an appearance as the French Businessman. Chabat dubbed Shrek's voice in French, and in this movie he shares screen time with Donkey's original voice actor (Eddie Murphy himself of course). Later on, Murphy holds a doll with the likeness of Austin Powers, who is played by Shrek's English voice Mike Myers.
(at around 1h 3 mins) In the restaurant when Jack and Dr Sinja are talking, the woman behind the Dr, her hair changes from untied to tied and back to untied again throughout the shot.
(at around 53 mins) After Jack gets in the elevator with a semi-naked man, a black town car drives off. A boom mic and crew member are reflected in the car's right rear quarter panel.