Tony Musante as John Dhannay

Claudia Cardinale as Aliki

John Forsythe as The American Ambassador

John Steiner as Donald Grayson

Renzo Palmer as Parenti

Angela Goodwin as The Ambassador's Wife

Anna Zinnemann as Renata

Fabrizio Jovine as Inspector Moreno

Wolfango Soldati as Harry Lambert

Gianrico Tondinelli as Jack

Luciano Catenacci as Vincent

Francesco Carnelutti as Agostino

Piero Palermini as Berto

Ruggero De Daninos as De Mauro

Giovanni Di Benedetto as Foreign Secretary

Gioia Scola as Maria Soli

Mauro Barabani as

Massimiliano Baratta as

Antonio Maimone as

Sergio Doria as

Nat Bush as

John P. Dulaney as

Alessandro Haber as Blondie