Tim Avery, an aspiring cartoonist, finds himself in a predicament when his dog stumbles upon the mask of Loki. Then after conceiving an infant son "born of the mask", he discovers just how looney child raising can be.

• New Line Cinema
• Kumar Mobiliengesellschaft mbH & Co. Projekt Nr. 1 KG
• Jamie Kennedy
• Alan Cumming
• Traylor Howard
• Kal Penn
• Steven Wright
• Ben Stein
• Peter Callan
• Liam Falconer