Calificación
Reparto

Robert Hoffmann
Tony Harris

Nathalie Delon
Monica Stiles

Martin Balsam
Inspector Jim Grant

Sherry Buchanan
Karin Hale

Victor Valente
Coleman Perry

Sergio Rossi
Leader of 'The Silencers'

Mario Novelli
The Silencers Henchman

Franco Garofalo
Peter Collins

Bruno Di Luia
The Silencers Henchman

George Ardisson
Agent for 'The Silencers'

Franco Beltramme
Phillips - Inspector Grant's Assistant

Tom Felleghy
Commander Smith

Cesare Nizzica
Farmer

Carlo Hintermann
Air Marshal Thompson