Tony Harris
Robert Hoffmann
Monica Stiles
Nathalie Delon
Agent for 'The Silencers'
George Ardisson
Phillips - Inspector Grant's Assistant
Franco Beltramme
Commander Smith
Tom Felleghy
Farmer
Cesare Nizzica
Air Marshal Thompson
Carlo Hintermann
Inspector Jim Grant
Martin Balsam
Karin Hale
Sherry Buchanan
Coleman Perry
Victor Valente
Leader of 'The Silencers'
Sergio Rossi
The Silencers Henchman
Mario Novelli
Peter Collins
Franco Garofalo
Giovanna De Luca
Bruno Di Luia
Writer
Mario Gariazzo
Director