Marie-José Nat

as Ethel Rosenberg

Gilles Ségal

as Julius Rosenberg

Jean Topart

as Me Bloch

Georges Wilson

as Judge Douglas

François Darbon

as Prosecutor

Paul Le Person

as Judge

François Dyrek

as David Greenglass

Pierre Tabard

as Hampton

Alain Nobis

as Johnson

Mario Pilar

as Parker

Jean Michaud

as Singer

Noëlle Hussenot

as Ruth Greenglass

Marion Loran

as Me Bloch's assistant

Jean Martinelli

as Me Rank

Thérèse Quentin

as Mrs. Harris

Teddy Bilis

as Doctor Bernhardt

Robert Darmel

as Bernard Greenlass

Roger Montsoret

as Elitcher

Albert Delpy

as Morton Sobell

Charles Millot

as Hamy Gold

Clément Harari

as Ben Schneider

Claude Génia

as Miss Bentley

Van Doude

as Judge Janings

Gérard Dournel

as Smith

Solange Certain

as Jane

Joëlle Bernard

as Georgie

Louis Arbessier

as Me Finalty

François Vibert

as Me Finalty

Marcelle Ranson-Hervé

as Guardian

Janine Crispin

as Mrs. Douglas

Fernand Fabre

as Director of Sing-Sing

Jess Hahn

as Senator

Olivier Zilbertin

as Roby

Patrick Jansens

as Mike

Denise Bonal

as Neighbor

Nicole Vassel

as Jeanne David