Ingrid Thulin as Jessica

Jean Sorel as Gregory Moore

Mario Adorf as Jacques Versain

Barbara Bach as Mira Svoboda

Fabijan Šovagović as Professor Karting

José Quaglio as Valinski

Relja Bašić as Ivan

Piero Vida as Kommissar Kierkoff

Daniele Dublino as Doctor

Sven Lasta as Pravski - Blind Man

Luciano Catenacci as Morgue Employee

Michaela Martin as Girl with Jacques

Vjenceslav Kapural as Librarian

Jürgen Drews as Street Singer

Semka Sokolović-Bertok as Nastassja - Gregory's Neighbor

Sergio Serafini as Morgue Employee

Franca Sciutto as Nurse

Rikard Brzeska as Pierre

Ivo Kadić as Walter

Hrvoje Švob as Old Man

Joža Šeb as Park Sweeper

Petar Dumičić as Tibor

Vladimir Bošnjak as Journalist

Petar Buntić as Spy

Veriano Ginesi as Dead Girl's Father (uncredited)

Sofia Lusy as Dead Girl's Mother (uncredited)