Fehr's screen appearances have included the 2001–02 NBC series ', the 2002–03 CBS series "Presidio Med", and the 2004 movie release ' (he reprised the role in the sequel, '). He provided the voice of Doctor Fate in "Justice League" and its sequel "Justice League Unlimited", and played Antoine Laconte, a male prostitute, in Rob Schneider's comedies ' (1999) and "" (2005). He also acted in the American hit supernatural series "Charmed", where he played the evil demon Zankou, the chief villain in that series' seventh season.