La Forteresse (released in the United States as The Fortress) is a 1947 Canadian feature film directed by Fyodor Otsep that uses a French language screenplay by Rian James and Leonard Lee. The films stars Paul Dupuis as Michel Lacoste, Jacques Auger as Albert Frédéric, Nicole Germain as Marie Roberts, Henri Letondal as Edward Durant, Lucie Poitras as Mother Superior, Armande Lebrun as Renée Brancourt, and Mimi D'Estée as Blanche Lacoste. Composer Morris Davis wrote the picture's film score. An English language version entitled Whispering City, with different actors, was made simultaneously.