- Country: France
- Genres: N/A
- Release: 1975-09-11
- Director: Maurice Frydland
- Writers: Maurice Frydland , François Mauriac , Françoise Verny
- Language: French
- Stars: Gilles Laurent , Alain Libolt , Gérard Ismaël , Véronique Silver , Marc Dudicourt , Jean-Louis Julien , Dominique Ravix , Bernard Musson , Robert Varnel , Katia Bohomolec
- Runtime: min
- Awards: N/A
- AKA: Le mystère Frontenac , Le mystère Frontenac (France, French Republic)
- Plot: N/A
- IMDB:tt0361937
Le mystère Frontenac Cast
Maurice Frydland
Director
Gilles Laurent
Yves adolescent
Alain Libolt
Yves adulte
Gérard Ismaël
Jean-Louis
Véronique Silver
Blanche
Marc Dudicourt
Xavier
Jean-Louis Julien
José
Dominique Ravix
Madeleine
Bernard Musson
Cazavieilh
Robert Varnel
Dussol
Katia Bohomolec