B 501, a newly developed controller for missiles, has disappeared despite the strict surveillance. Phillippe Tissout is sent by his boss to Paris to take over the case.
Pierre Brice
as Philippe Tissot
Heinz Drache
as Pierre Gilbert
Daliah Lavi
as Irina Badoni
Jana Brejchová
as Violetta
Charles Regnier
as Henry
Walter Giller
as Renato Balli
Terence Hill
as Enrico
Gustav Knuth
as Igor
Anton Diffring
as Burger
Senta Berger
as Jenny
Daniël Sola
as Joscha
Walter Regelsberger
as Gorba
