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
Heinz Drache
Daliah Lavi
Terence Hill
Jana Brejchová
Charles Regnier
Walter Giller
Gustav Knuth
Senta Berger
Anton Diffring
Daniël Sola
Walter Regelsberger
Hans Unterkircher
Erica Vaal