Reparto

• Μελίνα Μερκούρη — Elizabeth Lipp
• Peter Ustinov — Arthur Simon Simpson
• Maximilian Schell — Walter Harper
• Robert Morley — Cedric Page
• Jess Hahn — Hans
• Gilles Ségal — Giulio
• Akim Tamiroff — Gerven the Cook
• Titos Vandis — Harback
• Ege Ernart — Major Ali Tufan
• Senih Orkan — First Shadow
• Danyal Topatan — Second Shadow
• Joe Dassin — Joseph
• Δέσπω Διαμαντίδου — Voula
• Faik Coşkun — Tavla Player at Hilton (uncredited)
• Amy Dalby — Nanny (uncredited)
• Jules Dassin — Turkish Cop (uncredited)
• Selahattin İçsel — Tavla Player at Hilton (uncredited)
• Bedri Çavuşoğlu — Police Officer (uncredited)

Guion

• Eric Ambler — novel
• Monja Danischewsky — screenplay

Cámara

• Henri Alekan — director of photography
• Gilbert Chain — camera operator
• Max Lechevallier — assistant camera
• Roger Corbeau — still photographer
• René Chabal — assistant camera

Montaje

• Roger Dwyre — editor
• Johnny Dwyre — assistant editor
• Daniele Grimberg — assistant editor
• Patrick Clement-Bayard — assistant editor

Sonido

• Μάνος Χατζιδάκις — original music composer
• William Robert Sivel — sound engineer

Equipo técnico

• Raymond Picon Borel — second unit cinematographer
• Philippe Brun — second unit cinematographer
• Lucie Lichtig — script

Arte

• Jacques Douy — assistant set decoration
• André Labussière — set dresser
• Jean Fouchet — title designer
• Max Douy — set decoration

Vestuario y maquillaje

• Ντένυ Βαχλιώτη — costume design
• Amato Garbini — makeup artist
• Giancarlo Del Brocco — makeup artist

Producción

• André Cultet — production manager
• Claude Hauser — assistant production manager
• Roger Dwyre — associate producer
• Lee Katz — associate producer
• Jules Dassin — producer

Dirección

• Tom Pevsner — assistant director
• Joe Dassin — second assistant director
• Ali Çakus — second assistant director
• Stepan Melikyan — second assistant director
• Jules Dassin — director

Efectos visuales

• Jean Fouchet — visual effects