1 + 1 = 3_
An unmarried actress in Munich becomes pregnant but decides against marrying the child's father, and eventually moves in with a more agreeable man she meets on a winter sports holiday.
Starring
Adelheid Arndt, Hark Bohm, Luzian Walter Bappert
Updated Feb 16, 2026
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Year context
1 + 1 = 3 was released 47 years ago in 1979.
Overview
An unmarried actress in Munich becomes pregnant but decides against marrying the child's father, and eventually moves in with a more agreeable man she meets ...
1 + 1 = 3 is a Drama, Comedy film with a runtime of 1h 25m.
CAST (4)
Adelheid Arndt
Katarina Arendt
Hark Bohm
Anwalt
LW
Luzian Walter Bappert
Dominik Graf
Bernhard Grabowski
DETAILS
FREQUENTLY ASKED QUESTIONS
What is 1 + 1 = 3 about?
An unmarried actress in Munich becomes pregnant but decides against marrying the child's father, and eventually moves in with a more agreeable man she meets on a winter sports holiday.
How long is 1 + 1 = 3?
1 + 1 = 3 has a runtime of 85 minutes (1h 25m).
Who stars in 1 + 1 = 3?
The cast of 1 + 1 = 3 includes Adelheid Arndt, Hark Bohm, Luzian Walter Bappert, Dominik Graf.
What is the rating of 1 + 1 = 3?
1 + 1 = 3 has a rating of 1.0 out of 10 based on 2 votes on TMDB.
GENRES (2)
Drama
Comedy