Lethal Obsession

{{Short description|1987 film}}

{{use dmy dates|date=February 2020}}

{{Infobox film

| name = Lethal Obsession

| image = Poster_der_joker.jpg

| director = Peter Patzak

| producer = {{ubl|Karl Spiehs|Horst Hächler}}

| writer = {{ubl|Jonathan Carroll|Peter Patzak}}

| starring = {{ubl|Peter Maffay|Michael York|Armin Mueller-Stahl|Elliott Gould}}

| cinematography ={{ubl|Dietrich Lohmann|Igor Luther}}

| music = {{ubl|Frank Diez|Peter Maffay|Carl Carlton|Tony Carey}}

| story =

| studio = {{ubl|CTV 72 Film und Fernsehproduktion|Lisa Film}}

| distributor = Tivoli Film

| language = {{ubl|German|English|Italian}}

| released = {{film date|1987|10|15|df=y}}

| country = West Germany

}}

Lethal Obsession ({{langx|de|Der Joker}}, also known as The Joker) is a 1987 German crime-thriller film written and directed by Peter Patzak and starring Peter Maffay, Tahnee Welch, Michael York, Armin Mueller-Stahl, Elliott Gould, and Massimo Ghini.{{cite book|last1=VV.AA.|title=Variety Film Reviews, Volume 20|publisher=Garland Pub., 1991}}{{cite news|title=Der Joker mit Peter Maffay|url=http://www.spiegel.de/spiegel/print/d-13525859.html|accessdate=31 October 2015|work=Der Spiegel|date=19 October 1987}}