The Eleven O'Clock Woman

Stanislas Oscar Seminario, aka SOS, is a young explorer, just back from Africa, visiting old friends: the Pescara's. But the father keeps receiving anonymous letters. And soon a mysterious murder is committed. SOS begins to investigate...

• 
  Jean Devaivre

• 
  Paul Meurisse
  Stanilas Octave Seminario aka 'SOS', détective
• 
  Micheline Francey
  Muriel Pescara, the daughter
• 
  Gilbert Gil
  Charles Pescara, the son
• 
  Pierre Renoir
  Doctor Gérard Pescara, the father
• 
  Jean Tissier
  Guillaume
• 
  Pierre Louis
  Paul Wantz
• 
  Junie Astor
  Hélène Tassin, nurse
• 
  Jean Debucourt
  Doctor Vermeulen
• 
  Jean Brochard
  Investigating judge
• 
  Mady Berry
  Brigitte Tassin
• 
  Pierre Palau
  Doorman
• 
  Arthur Devère
  Lock keeper
• 
  Marcel Pérès
  Road mender
• 
  Sinoël
  Gardener
• 
  Georges Bever
  Baptiste, clerk
• 
  Madeleine Suffel
  Hotel boss
• 
  Michel Seldow
  Illusionist Pablo
• 
  Marc Arian
  (uncredited)
• 
  Léon Arvel
  (uncredited)
• 
  Alfred Baillou
  Man (uncredited)