One or the Other of Us

Klaus Schwarzkopf

Professor Kolczyk

Elke Sommer

Miezi

Jürgen Prochnow

Bernd Ziegenhals

Ulla Jacobsson

Reinhild Kolczyk

Kristina Nel

Ginny Kolczyk

Walter Gross

Opa Melzer

Anita Kupsch

Sekretärin

Berta Drews

Mutter Braats

Otto Sander

Rulle Ruhlsdorff

Claus Theo Gärtner

Kronert

Peter Schiff

Kommissar Rannow

Ortrud Beginnen

Babsy

Wolf Roth

Hohenberg

Fritz Tillmann

Dr. Sievers

Tilo Prückner

Drögnitz

Gunther Beth

Kronert

Ulrich Bödecker

Max Giese

Gerhard Wollner

Wolfgang Petersen

Director

Gaby Werth

Assistant Director

Horst Bosetzky

Novel

Manfred Purzer

Screenplay

Luggi Waldleitner

Producer

Ilse Kubaschewski

Producer

Peter Zeumer

Production Manager

Charly Steinberger

Director of Photography

Leo Weisse

Still Photographer

Bernd Elstner

Assistant Camera

Hans Joachim Richter

Sound

Peter Beil

Sound