When the Dead Speak (German: Wenn Tote sprechen) is a 1917 German silent drama film directed by Robert Reinert and starring Maria Carmi, Carl de Vogt and Conrad Veidt.

[1] The film's sets were designed by the art directors Robert A. Dietrich and Artur Günther.

It was shot at the Babelsberg Studios in Berlin.

It is a lost film.

This article related to a German film of the 1910s is a stub.