The Blue Angel The Blue Angel The Blue Angel () is a 1930 German tragicomedic film directed by Josef von Sternberg and starring Emil Jannings, Marlene Dietrich and Kurt Gerron. Written by Carl Zuckmayer, Karl Vollmöller and Robert Liebmann – with uncredited contributions by Sternberg – it is based on Heinrich Mann's 1905 novel "Professor Unrat" ("Professor Garbage") and set in Weimar Germany. "The Blue Angel" presents the tragic transformation of a respectable professor to a cabaret clown and his descent into madness. The film is the first feature-length German full-talkie and brought Dietrich international fame. In addition, it introduced her signature song,
Marlene Dietrich audience's sentimentality) Marlene Dietrich adds a third—the mysterious force of her belief in her own magic. Those who find themselves unable to share this belief tend to blame themselves rather than her." Her use of body-sculpting undergarments, nonsurgical temporary facelifts (tape), expert makeup and wigs, combined with careful stage lighting, helped to preserve Dietrich's glamorous image as she grew older. Dietrich's return to West Germany in 1960 for a concert tour was met with mixed reception— despite a consistently negative press, vociferous protest by chauvinistic Germans who felt she had betrayed her homeland, and two bomb threats, her performance attracted