Jean-Paul Belmondo

François Merlin / Bob Saint-Clar

Jacqueline Bisset

Christine / Tatiana

Vittorio Caprioli

Georges Charron / Colonel Karpov

Hans Meyer

Colonel Collins

Monique Tarbès

Mrs. Berger

Mario David

Traffic policeman in the rain

Bruno Garcin

Pilu

Raymond Gérôme

General Pontaubert

Jean Lefebvre

The Electrician

Fabrizio Moresco

Student with Pipe

André Weber

The Plumber

Hubert Deschamps

Typewriter Seller

Bernard Musson

The French Interpreter who speaks Czech

Rodrigo Puebla

Benson

Jean-Pierre Rambal

The Lecturer

Micha Bayard

Charron's Secretary

Roger Muni

The Doctor at the Airport

Max Desrau

The Albanian Interpreter who speaks Romanian

Lucienne Legrand

Woman

Sébastien Floche

The Serbian Interpreter who speaks Russian

Laure Moutoussamy

Charron's Friend

Michel Thomass

Fake Pope

Maurice Auzel

Airport Mechanic (uncredited)

Jack Bérard

The Russian Interpreter who speaks Czech (uncredited)

Philippe de Broca

Second Plumber (uncredited)

Henri Czarniak

Soldier (uncredited)

Raoul Guylad

The Albanian (uncredited)

Charly Koubesserian

Guard (uncredited)

Alexandre Mnouchkine

Paramedic at the back of Ambulance (uncredited)

Louis Navarre

The Romanian Interpreter who speaks Serbian (uncredited)

José Paul

Merlin's Son (uncredited)