- Country: West Germany
- Genres: Crime, Drama, Thriller
- Release: 1987-10-15
- Director: Peter Patzak
- Writers: Jonathan Carroll , Mortimer Ellis , Peter Patzak
- Language: German | English | Italian
- Stars: Peter Maffay , Tahnee Welch , Bernard Freyd , Massimo Ghini , Karl Merkatz , Elke Krings , Elliott Gould , Joachim Dietmar Mues , Marquard Bohm , Andras Cönczöl
- Runtime: 97 min
- Awards: N/A
- AKA: Ossessione mortale (Italy) , The Joker , Der Joker , Der Joker , El comodín (Spain) , Lethal Obsession (United States of America) , Der Joker (Germany) , Jokern (Sweden) , O Ás e o Joker (Portugal, Portuguese Republic) , Obsesión mortal (Venezuela) , Joker (Poland) , Joker (Greece)
- Plot: Several known criminals already have been murdered by a professional killer, leaving no trace but the "ace" game card. The police suspects a new mob is trying to take over the district. The investigating police officer Jan is victimized by a bomb himself, when he's at his girlfriend Daniela's father's Italian restaurant. Although paralyzed and suspended from work, the tuff cop continues to investigate and takes revenge on the gangsters who did this to him.
- IMDB:tt0093318
Lethal Obsession Cast · · · ALL
Peter Patzak
Director
Peter Maffay
Jan Bogdan
Tahnee Welch
Daniela Santini
Bernard Freyd
Mario Santini
Massimo Ghini
Toni Blach
Karl Merkatz
Josef Blach
Elke Krings
Theresa Blach
Elliott Gould
Serge Gart
Joachim Dietmar Mues
Salz
Marquard Bohm
Pfeffer
András Gönczöl
Koura
Werner Pochath
Resch
Monica Bleibtreu
Cilly
Uwe Hacker
Riese
Klaus Bueb
Paul
Klaus Stiglmeier
1. Zuhälter
Dietmar Mössmer
2. Zuhälter
Armin Mueller-Stahl
Axel Baumgartner
Michael York
Dr. Proper
Peter Patzak
Mann an der Theke
Otto Retzer
Chauffeur