Ewa Borowik as Monika (deutsche Sprecherin: Helga Piur)

Hans Lucke as Dr. Vahlberg

Otmar Richter as Johannson

Dietmar Richter-Reinick as Klaus Nipmerow

Alfred Struwe as Nienhusen

Ingeborg Krabbe as Frau Nienhusen

Herbert Köfer as Dr. Goldewin

Günter Schubert as Buberow

Jürgen Huth as Ehlers

Karla Runkehl as Mutter Johansson

Helga Piur as Renate

Rudolf Ulrich as ABV (Polizei: Abschnittsbevollmächtigter)

Albert Zahn as Brebelow

Saaun Khemmara as Portugiese

August Koalczik as Kapitän Fernandez

Paul Arenkens as Roggisin

Johannes Maus as Bürgermeister

Erich Petraschk as Wriggezahn

Friedrich Richter as Nachbar

Ilse Voigt as Nachbarin

Fred Mahr as Meister

Werner Wieland as Schuldirektor

Gunter Sonnenson as Schwiegersohn

Heinz Zimmermann as Volkspolizist Nachtigall

Sylva Schüler as Verkäuferin

Robert Abeßer as Bruder Johansson

Kristina Kaffka as Tina

Jürgen Reimer as Federstahl

Clarissa Freistedt as Verkäuferin

Eckhard Müller as Bauarbeiter

Friedrich Teitge as Pförtner

Hans Rohde as Lotse

Jutta Griep as Stewardess

Reinhold Koch as portugiesischer Seemann

Herbert Clemens as Wachmann I

Erich Staubach as Wachamann II

Karl-Heinz Lewicki as Deckinspektor

Siegfried Kellermann as Opernbesucher

Rita Feldmeier as junges Mädchen

Klaus Ellinger as Sänger

Gerhard Honig as Dirigent

Theresia Wider as junge Frau mit Kind

Günter Neukamm as Wachleiter