One or the Other of Us

Psychological thriller that focuses on the intense conflict between a university professor and a blackmailer.

• Wolfgang PetersenDirector
• Manfred PurzerScreenplay

• Klaus SchwarzkopfProfessor Kolczyk
• Elke SommerMiezi
• Jürgen ProchnowBernd Ziegenhals
• Ulla JacobssonReinhild Kolczyk
• Kristina NelGinny Kolczyk
• Walter GrossOpa Melzer
• Anita KupschSekretärin
• Berta DrewsMutter Braats
• Otto SanderRulle Ruhlsdorff
• Claus Theo GärtnerKronert
• Peter SchiffKommissar Rannow
• Ortrud BeginnenBabsy