Michael York

~ as ~

Martin's Father / Martin Gray (age 40)

Brigitte Fossey

~ as ~

Dina Gray

Jacques Penot

~ as ~

Young Martin Gray

Jean Bouise

~ as ~

Dr. Ciljimaster

Helen Hughes

~ as ~

Martin's Grandmother

Macha Méril

~ as ~

Martin's Mother

Wolfgang Müller

~ as ~

Mokotow

Boris Bergman

~ as ~

Abram

Bernard Freyd

~ as ~

NKVD Colonel

Dominique Frot

~ as ~

Marie