When 13-year-old Allie Thompson and her best friend Sam happen upon a weather-making machine discarded by none other than Santa Claus, they use it to cause a snow day in Los Angeles. But when the machine gets out of hand, it threatens to ruin Christmas.

• Once Upon a Time
• Hallee Hirsh
• Spencer Breslin
• Hallie Todd
• Brenda Song
• John Salley
• Susan Ruttan
• John B. Lowe
• Greg Kean