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One or the Other (1974)

Einer von uns beiden (original title)
What started as a simple blackmail quickly devolves into a downward spiral of psychological and physical violence.


Wolfgang Petersen


Horst Bosetzky (novel) (as -ky), Manfred Purzer
2 wins & 1 nomination. See more awards »


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Cast overview, first billed only:
Klaus Schwarzkopf ... Professor Kolczyk
Elke Sommer ... Miezi
Jürgen Prochnow ... Bernd Ziegenhals
Ulla Jacobsson ... Mrs. Kolczyk
Kristina Nel Kristina Nel ... Ginny Kolczyk
Walter Gross Walter Gross ... Grandpa Melzer
Anita Kupsch ... Secretary
Berta Drews Berta Drews
Otto Sander ... Rulle
Claus Theo Gärtner Claus Theo Gärtner ... Prötzel
Gunther Beth ... Kronert
Peter Schiff Peter Schiff ... Police Inspector
Ortrud Beginnen Ortrud Beginnen ... Babsy
Wolf Roth ... Hohenberg
Fritz Tillmann Fritz Tillmann ... Dr. Sievers


What started as a simple blackmail quickly devolves into a downward spiral of psychological and physical violence.

Plot Summary | Add Synopsis




West Germany



Release Date:

22 April 1974 (West Germany) See more »

Also Known As:

One or the Other of Us See more »

Filming Locations:

Germany See more »

Company Credits

Production Co:

Divina-Film, Roxy Film See more »
Show more on IMDbPro »

Technical Specs

Sound Mix:



Color (Eastmancolor)| Color

Aspect Ratio:

1.66 : 1
See full technical specs »

Did You Know?


Official submission of West-Germany for the 'Best Foreign Language Film' category of the 47th Academy Awards in 1975. It did not receive a nomination. See more »

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User Reviews

Thrilling crime story
19 January 2006 | by chandler-47See all my reviews

Based on a crime novel by Horst Bosetzky (-ky) this is one of Wolfgang Petersen's first cinema productions. The student Bernd Ziegenhals discovers that one of the professors at university has faked his doctoral thesis and blackmails him. The plot is thrilling because the professor does not stay passive, he tries to get rid of Ziegenhals. Who of them will survive at the end?

The movie is much better than the novel (which is very rare). The end is surprising and also different to the novel. I'm wondering if Petersen is thinking about a Hollywood remake of this film. The plot has a lot of potential and with better special effects than it was possible in 1974 it could be a winner.

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