Question:  Jon Amiel and Kurt Gerron have what in common?

Context articles: Prisoner of Paradise
Jon Amiel
The White Hell of Pitz Palu
My Wife, the Impostor
A Mad Idea
Love's Joys and Woes
We Stick Together Through Thick and Thin
Kurt Gerron
The Blue Angel
The Three Wishes

Prisoner of Paradise is a 2002 documentary film directed by Malcolm Clarke and Stuart Sender, and produced as a British-Canadian-American collaboration.
 The film tells the true story of Kurt Gerron, a German-Jewish cabaret and film actor in the 1920s and 1930s who was deported to the Theresienstadt concentration camp in Czechoslovakia during World War II.
 There he was ordered to write and direct a Nazi propaganda film.
 In addition to gaining positive reviews, the film was nominated for "Best Feature Documentary" in the 2003 Academy Awards.
 Clarke won the Directors Guild of Canada Award; he and Sender were together nominated for the 2003 Directors Guild of America Award.
Jon Amiel (born 20 May 1948) is an English film director who has since the early 1980s worked in film and television in both the UK and the US.
The White Hell of Pitz Palu (German: "Die weisse Hölle vom Piz Palü" ) is a 1929 German silent mountain film co-directed by Arnold Fanck and Georg Wilhelm Pabst and starring Leni Riefenstahl, Gustav Diessl, Ernst Petersen, and World War I flying ace Ernst Udet.
 Written by Arnold Fanck and Ladislaus Vajda, the film is about a man who loses his wife in an avalanche while climbing the Piz Palü mountain, and spends the next few years searching the mountain alone for her body.
 Four years later he meets a young couple who agree to accompany him on his next climb.
 "The White Hell of Pitz Palu" was filmed on location in the Bernina Range in Graubünden, Switzerland.
 The 1929 theatrical release starred Kurt Gerron, who was Jewish, as a night club guest.
 The film was edited to remove scenes featuring Gerron, and it was rereleased as a 90-minute German-language sound film in 1935.
 It was remade in 1950.
My Wife, the Impostor (German: Meine Frau, die Hochstaplerin) is a 1931 German comedy film directed by Kurt Gerron and starring Heinz Rühmann, Käthe von Nagy and Fritz Grünbaum.
 A separate French-language version was also made, with a different cast.
A Mad Idea or A Crazy Idea (German:Ein toller Einfall) is a 1932 German comedy film directed by Kurt Gerron and starring Willy Fritsch, Dorothea Wieck and Rosy Barsony.
Love's Joys and Woes (German:Der Liebe Lust und Leid) is a 1926 German silent comedy film and directed by Kurt Gerron and Heinz Schall and starring  Charlotte Susa, Margarete Kupfer and Hilde Maroff.
We Stick Together Through Thick and Thin (German: Wir halten fest und treu zusammen) is a 1929 German silent comedy film directed by Herbert Nossen and starring Sig Arno, Kurt Gerron and Ernst Karchow.
 It was one of two films starring Arno and Gerron in their characters of 'Beef' and 'Steak' in an effort to create a German equivalent to Laurel and Hardy.
Kurt Gerron (11 May 1897 – 28 October 1944) was a German Jewish actor and film director.
The Blue Angel (German: "Der blaue Engel" ) 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, Friedrich Hollaender and Robert Liebmann's "Falling in Love Again (Can't Help It)".
 It is considered to be a classic of German cinema.
The Three Wishes or De Drie Wensen is a 1937 Dutch film directed by Kurt Gerron.
 Simultaneously, an Italian language version, "I tre desideri", was filmed with Italian actors at Cinecitta' studios in Rome.
 Both movies were shot during the summer of 1937.
 The Dutch version was badly received and attendance was poor.
 The production suffered from delays and setbacks, forcing Dutch star Lien Deyers to resign.
 Her part was given to Annie van Duyn.