'' is a
1948 film directed by
Billy Wilder , starring
Marlene Dietrich and
Jean Arthur . The songs "Want to Buy Some Illusions?" , "Black Market" and "In the Ruins of Berlin" composed by
Friedrich Hollaender were sung by Dietrich. Hollaender appears in the film as the piano accompanist to 'Erika von Schlütow' (Dietrich). The film was produced by
Charles Brackett with cinematography by
Charles Lang .
Director Billy Wilder said famously of his difficulties with Marlene Dietrich and Jean Arthur in the film. "I have one dame who's afraid to look at herself in a mirror and another who won't stop looking!"