As John Dhannay, a CIA agent stationed in Rome, plans the overthrow of an African government, he discovers one of his men has been in contact with agents from the other side. Before he can confront the traitor, the man seemingly goes crazy, sniping several people before taking an adulterous couple hostage in a hotel room.
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