Tom Everett Scott
Andy McDermott
Julie Delpy
Serafine Pigot
Vince Vieluf
Brad
Phil Buckman
Chris
Julie Bowen
Amy Finch
Pierre Cosso
Claude
Thierry Lhermitte
Dr. Thierry Pigot
Maria Machado
Chief Bonnet
Tom Novembre
Inspector LeDuc
Serge Basso
Officer with Flashlight
Charles Maquignon
Bouncer
Ben Salem Bouabdallah
Detective Ben Bou
Alan McKenna
Lycanthrope
Hervé Sogne
Lycanthrope
Jean-Claude Deret
Professor Martin
Isabelle Constantini
Sérafine's Mother
David F. Friedman
Nightclub Visitor
Christian Magnani
Bruno
Chris Bearne
Surgeon
Pierre Bodry
Waiter on Train
Pieter Riemens
Waiter in Restaurant
Anthony Waller
Metro Driver
Jochen Schneider
Lycanthrope
Edgar Kohn
Lycanthrope
Emile Cappachione
Bodybuilder
Serge Hugel
French Car Driver
John Waller
British Car Driver
Nicholas Waller
Taxi Driver
Csilla Szabò
Alain Christie
Inspector LeDuc (voice) (uncredited)