Richard Thomas as Sandy Mueller

Horst Buchholz as Emerich Weber

José Ferrer as Martin Komansky

Ute Christensen as Ilse Morrell

Jacques Breuer as Joachim Lentz

Nicholas Farrell as Georg Heptner

Kenneth Griffith as Bruno Balderbach

Robert Freitag as Dr. Lentz

Gerald W. Abrams as Phil

Ilse Bahrs as Butcher Customer

Pasqual Breuer as Wolf Lentz

Carl Duering as Klaus Schoenemann

Josef Ernst as German Border Guard

Klaus Götte as Intelligence Officer

Günther Maria Halmer as Herr Klemnitz

Irene Jarosch as Woman in Crowd

Wolfgang Jörg as Konrad Moss

Charlotte Kerr as Marta Kurzman

Hans Madin as Herr Weber

Joachim Mock as Workman

Dorothea Moritz as Frau Heptner

Peter Neusser as Lt. Geller

Uwe Paulsen as Karl

Eva Ingeborg Scholz as Frau Lentz

Jochen Schroeder as Vopo

Katharina Seyferth as Greta Dohr

Walter Tschernich as Herr Dohr

Heinz Weiss as Herr Heptner

Georg Richard Wenkhaus as Vogel Chief Officer

Inge Wolfberg as Greta's Friend