- Country: West Germany
- Genres: Crime
- Release: 1967-12-05
- Director: Kurt Früh
- Writers: Agatha Christie , Peter Goldbaum , Frank Vosper
- Language: German
- Stars: Gertrud Kückelmann , Heinz Bennent , Edda Seippel , Gudrun Thielemann , Rudolf Krieg , Karl-Georg Saebisch , Werner Siedhoff , Barbara Morawiecz
- Runtime: 87 min
- Awards: N/A
- AKA: Ein Fremder klopft an , Стук незнакомца , Стук незнакомца (Russian Federation) , Love from a Stranger , Ein Fremder klopft an , Ein Fremder klopft an (Japan)
- Plot: A suave ladies man sweeps a working class girl, who has just won the lottery, off her feet.She doesn't yet realize that he is a serial killer.
- IMDB:tt0948604
Ein Fremder klopft an Cast · · · ALL
Kurt Früh
Director
Karl-Georg Saebisch
Dr. Gribble
Werner Siedhoff
Hodgson
Edda Seippel
Tante Loo-Loo
Gertrud Kückelmann
Cecily
Heinz Bennent
Bruce
Barbara Morawiecz
Lisa