Robert Hoffmann

Tony Harris

Acting

Nathalie Delon

Monica Stiles

Acting

Martin Balsam

Inspector Jim Grant

Acting

Sherry Buchanan

Karin Hale

Acting

Victor Valente

Coleman Perry

Acting

Sergio Rossi

Leader of 'The Silencers'

Acting

Mario Novelli

The Silencers Henchman

Acting

Franco Garofalo

Peter Collins

Acting

Giovanna De Luca

Acting

Bruno Di Luia

The Silencers Henchman

Acting

George Ardisson

Agent for 'The Silencers'

Acting

Franco Beltramme

Phillips - Inspector Grant's Assistant

Acting

Tom Felleghy

Commander Smith

Acting

Cesare Nizzica

Farmer

Acting

Carlo Hintermann

Air Marshal Thompson

Acting