Continuity mistake: After they rescued Pierre Niéman, Kerkerian and Fanny out of the avalanche, they put an O2-mask over her face. The strings of the mask were full of blood - even before they touched the bloody face of Fanny.
Continuity mistake: When Jean Reno and Vincent Cassel are ascending the mountain in the cable car, Vincent cocks the shotgun. When Nadia Fares aims the same shotgun at Jean later, she cocks it again without it having been fired in the interim.
Continuity mistake: When Jean Reno forces open the sealed student's door, the wood splinters. In the reverse angle from inside the room, there is no damage to the door.
Continuity mistake: After Jean Reno and Vincent Cassel leave the flat used for dog experiments, Vincent's hair is visibly longer than when he was in the flat.
Continuity mistake: In the last scene while Max is talking to Pierre on the snow, the sun changes between shots.
