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David Abbott as Professor Adkins Jodelle Ferland as Sarah Peter LaCroix as David Parks (as Peter Lacroix) Laura Regan as Julia Lund Ethan Embry as Sam Burnside Mark Hildreth as Troy Jonathan Cherry as Darren Marc Blucas as Paul Loomis Alexander Gould as Young Billy Jessica Amlee as Young Julia Jay Brazeau as Dr. Booth Colin Foo as Chinese Chef Jon Abrahams as Billy Parks Dagmara Dominczyk as Terry Alba Desiree Zurowski as Mary Parks L. Harvey Gold as Professor Crowley

Leanne Buchanan Stunt Double Norman Cabrera Sculptor Crystal Dalman Stunt Double Rene Ohashi Director of Photography Wes Craven Presenter Frank Patton III Casting Assistant Ted Field Executive Producer Mike Beaulieu Creature Design David Linde Executive Producer Robert Harmon Director Patrick Tatopoulos Creature Design Duane Dickinson Stunts Ashlea Earl Stunt Double Scott J. Ateah Stunt Coordinator Owen Walstrom Stunts