Jean-Paul Belmondo

as François Merlin / Bob Saint-Clar

Jacqueline Bisset

as Christine / Tatiana

Vittorio Caprioli

as Georges Charron / Colonel Karpov

Hans Meyer

as Colonel Collins

Monique Tarbès

as Mrs. Berger

Mario David

as Traffic policeman in the rain

Bruno Garcin

as Pilu

Raymond Gérôme

as General Pontaubert