Operation Double Cross

Jean Marais

Antoine Donadieu

Marisa Mell

Frieda

Gérard Tichy

Matras

Howard Vernon

The 'professor'

Jean Lara

Pelletier

André Cagnard

Gouferolles

Léon Zitrone

Self

José María Caffarel

Police Technician

Carlos Casaravilla

Varosky

Antonio Casas

Colonel

Álvaro de Luna

Hamlet

Fernando Guillén

Colonel's Deputy

Víctor Israel

Police Technician

Rico López

Alvarez

José Manuel Martín

Jaime

Carlos Otero