- Country: Germany
- Genres: Crime, Drama
- Release: 2004-05-25
- Director: Rainer Matsutani
- Writers: Peter Petersen , Don Schubert , Christa von Bernuth
- Language: German
- Stars: Mariele Millowitsch , Max von Thun , Roland Koch , Nikolai Kinski , Katja Weitzenböck , Adele Neuhauser , Jennifer Ulrich (I) , Ankie Lau , Oliver Clemens , Thomas Darchinger
- Runtime: 93 min
- Awards: N/A
- AKA: Untreu (Germany) , Untreu
- Plot: The murder of a successful businessman and the disappearance of his wife and daughter leave Inspector Seiler in the dark.
- IMDB:tt0413426
Untreu Cast · · · ALL
Rainer Matsutani
Director
Mariele Millowitsch
Kommissarin Mona Seiler
Adele Neuhauser
Theresa Leitner
Max von Thun
Kommissar Fischer
Nikolai Kinski
Milan Farkas
Katja Weitzenböck
Karin Belolavek
Jennifer Ulrich
(I)
Maria Belolavek
Giulio Ricciarelli
Geschäftsmann
Ankie Beilke
Kai Lemberger
Joachim Nimtz
Kaiser