Cast
Bob Ingarao
Radio technician (uncredited)
Louis Viret
Jupiter, D.S.T. agent (uncredited)
Charles Vanel
Commissioner Perrache of the D.S.T.
Julien Maffre
Monegasque policeman (uncredited)
Geneviève Morel
Lady in the cinema (uncredited)
Anne Vernon
Lucette Vignon
Maurice Teynac
Kurt Topfer
Philippe Olive
Journalist
Grégoire Aslan
Inspector Ben Hamman
Jean Dréville
Commentator (uncredited)
Germaine de France
Mrs. Perrache
Henri Crémieux
Saab Astérich
Yves Massard
Inspector Louis Vignon
Marcelle Arnold
Lynda
Edmond Ardisson
Linda
Jean-Paul Coquelin
Technician from South Tunisian
André Numès
Archivist
Jacques Morel
Inspector Paul Duchamp
Robert Porte
Koskah
René Havard
Technician from South Tunisian
René Blancard
Inspector Rentier
Marc Arian
Spectator at the cinema (uncredited)
Pierre Duncan
Beefcake (uncredited)