A journalist and secretary get involved in espionage.
Ken Clark
as Dick Hallam
Irina Demick
as Sylvie Meynard
Luigi Vannucchi
as Brook
Loredana Nusciak
as The Shadow's Agent
Jacques Berthier
as Colonel Callaghan
Carlo Hintermann
as The Shadow's Agent with furry collar
Michel Bardinet
as Francisco Aguirrez
Giampiero Albertini
as Cunningham's Chief Agent
Angelo Infanti
as Pedro Almereyda / Max Schulz
Franco Giornelli
as Cunningham's Agent
Andrea Scotti
as Cunningham's Agent Disguised as a Nurse
Solvi Stübing
as Hotel Maid
