Cornell Borchers

Inga

Yvonne Mitchell

Sonja

Armin Dahlen

Franz

Alexander Knox

Chief Justice

Geoffrey Keen

Marks

Liam Redmond

First Justice

Eddie Byrne

Second Justice

Theodore Bikel

Josip

Pamela Stirling

Mlle. Poncet

Martin Stephens

Hans

Andre Mikhelson

Professor Miran

Ferdy Mayne

Dr. Muller

Michel Ray

Toni

Gilgi Hauser

Sonja's Daughter

Marianne Walla

Matron

Philo Hauser

Schoolteacher

Guy Deghy

Schoolteacher

Carl Duering

Postman

Richard Molinas

Herr Pieter

John Welsh

Chief Marshall

John Schlesinger

Ticket Collector

Nicholas Stuart

Reporter

Alec McCowen

Reporter

Ilona Ference

Reporter

Randal Kinkead

Reporter

Guy Standeven

Courtroom Spectator (uncredited)