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)