Otto Sander as Otto Spalt

Rolf Zacher as Reporter Schnellwindt

Alfred Edel as Dr. Kohlhammer

Romy Haag as Maria Loria

Katharina Thalbach as Tamara

Udo Samel as Edgar

Peter Fitz as Der Regisseur

Irm Hermann as Frau Spalt

Heinz Meier as Prof. Pruefspitz

Günter Meisner as Bobby Steinbeck

Harald Effenberg as Lothar Linsmeyer

Ingeborg Steiert as Frau Dr. Donnermann

Dieter Kursawe as Vikar Leucht

Valentin Plătăreanu as Wissenschaftler beim KGB