Frank VillardFrank Villard was 30 in Le Mystérieux Monsieur Sylvain as 'Ancelin'.
Simone RenantSimone Renant was 36 in Le Mystérieux Monsieur Sylvain as 'Françoise Dastier'.
Jean ChevrierJean Chevrier was 31 in Le Mystérieux Monsieur Sylvain as 'Chantenay'.
Jean MarchatJean Marchat was 44 in Le Mystérieux Monsieur Sylvain as 'Morgat'.
Marcelle PrainceMarcelle Praince was 64 in Le Mystérieux Monsieur Sylvain as 'The marquise'.
André BervilAndré Bervil was 42 in Le Mystérieux Monsieur Sylvain as 'The killer'.
Marcel RaineMarcel Raine was 48 in Le Mystérieux Monsieur Sylvain as 'Commander Dartois'.
Paul AmiotPaul Amiot was 61 in Le Mystérieux Monsieur Sylvain as 'The colonel'.
Claude NollierClaude Nollier was 27 in Le Mystérieux Monsieur Sylvain 
Max DoriaMax Doria was 50 in Le Mystérieux Monsieur Sylvain Jacques MullerJacques Muller was 25 in Le Mystérieux Monsieur Sylvain 
Philippe DumatPhilippe Dumat was 22 in Le Mystérieux Monsieur Sylvain as 'Inspector'.Jean StelliJean Stelli was >> in Le Mystérieux Monsieur Sylvain as 'Director'