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Cast overview, first billed only:
Günther Ungeheuer ...
Alexander Ford
Bankdirektor Rose
Monika Peitsch ...
Hanns Lothar ...
Richard Hiss
Hellmut Lange ...
Ida Krottendorf ...
Fräulein Wohlers
Paul Edwin Roth ...
Konrad von Brenken
Fräulein Quinn
Silvana Sansoni ...
Jürgen Draeger ...
Horst Michael Neutze ...
Joseph Offenbach ...
Christa Siems
Horst Hesslein ...
Gerhard Hartig ...
Der Stumme


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Plot Keywords:

based on novel | See All (1) »


Crime | Thriller


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Release Date:

14 January 1966 (West Germany)  »

Also Known As:

4. avain  »

Company Credits

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Technical Specs

Sound Mix:

Aspect Ratio:

1.37 : 1
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User Reviews

nice german b/w thriller like the "Stahlnetz" series
22 April 2003 | by (Frankfurt) – See all my reviews

This is one of the good german b/w thrillers from the 60'ies. It has a nice plot and features a lot of german movie and tv stars of this time like Walter Rilla, Joseph Offenbach, Günther Ungeheuer, Monika Peitsch and many others. "Vier Schlüssel" reminds of the sixties tv series "Stahlnetz" which was made by the same director Jürgen Roland. If you liked "Stahlnetz" and other german b/w thrillers chances are good that you will also enjoy this one.

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