Question: how is The German Doctor and Elena Roger connected?

Context articles: Arnold Krumm-Heller
Maximilian Meyer Heine
Elena Roger
The German Doctor
Bernd Pansold
Franziska Tiburtius
Àlex Brendemühl
Claustre Affair
Friedrich Jung (pharmacologist)
Werner Daehn

Heinrich Arnold Krumm-Heller (April 15, 1876 – April 19, 1949) was a German doctor, occultist, Rosicrucian, and founder of Fraternitas Rosicruciana Antiqua (FRA), a traditional Hermetic order that operates in Brazil.
 He also was a German naval intelligence agent during the Mexican Revolution and World War I.
 A prolific writer, he published 25 esoteric books, novellas, history books, biographies, as well as countless articles in his magazine "Rosa Cruz" and similar publications.
Maximilian Meyer Heine (November 6, 1807 - November 6, 1879) was a German doctor, who served with the Russian Army during the Russo-Turkish War and who later became a Russian state councilor.
 He was the youngest brother of Heinrich Heine, the famous German romantic poet.
Elena Silvia Roger (born October 27, 1974, Buenos Aires, Argentina ) is an Argentine actress who won the 2009 Laurence Olivier Award for Best Actress in a Musical for her portrayal of Édith Piaf in "Piaf".
 She has also appeared in the West End in "Evita", "Boeing-Boeing", and "Passion".
The German Doctor (Spanish: Wakolda ) is a 2013 Argentine historical drama film directed, produced and written by Lucía Puenzo.
 Based on Puenzo's novel "Wakolda" (2011), the film stars Àlex Brendemühl as the Nazi Schutzstaffel officer and physician Josef Mengele, infamous for performing human experiments in the Auschwitz concentration camp.
 It also stars Florencia Bado, Natalia Oreiro, Diego Peretti, Elena Roger and Guillermo Pfening.
Bernd Pansold (born 3 April 1942 in Zwickau) is a German doctor and practitioner of sports medicine.
 From 1968 to 1990 he was the team doctor of East German sports club SC Dynamo Berlin, and from 1971 was an unofficial member of the East German Ministry for State Security (Stasi) under the alias Jürgen Wendt.
 After the reunification of Germany, Pansold worked for Austrian Sports Centre in Obertauern as the medic for all winter sports athletes.
 In 1998 Pansold was convicted by the Landgericht Berlin for the doping of underage persons in nine cases, which led to a fine; Pansold was then released by the Austrian Ski Association (ÖSV) from his position.
 Since 2003 Bernd Pansold has been active working for Red Bull GmbH as the director of the company's own Diagnostic- and Training center, in which professional athletes associated with the company Red Bull are attended to.
Franziska Tiburtius (24 January 1843 – 5 May 1927) was a German doctor, one of the first two women to qualify as a doctor in imperial Germany.
Àlex Brendemühl (born 27 November 1972) is a Spanish actor.
 Born in Barcelona to a Spanish mother and a German father, he has appeared in more than 60 films and television shows since 1995.
 Brendemühl played the lead role of the Nazi war criminal Josef Mengele in the 2013 film "The German Doctor".
The Claustre Affair was a hostage crisis during the First Chadian Civil War.
 Chadian rebels, calling themselves the Command Council of the Armed Forces of the North (CCFAN), lead by Toubou nationalist Hissène Habré kidnapped Françoise Claustre, a French archaeologist, Marc Combe, a worker in a French development organization in Chad, and Christoph Staewen, a German doctor.
 Although Combe escaped and Staewen was ransomed back by the West German government, the rebels demanded a ransom of 10 million francs for Mrs. Claustre and her husband Pierre, who was later also captured by the rebels.
 The case garnered international attention, with the French sending a negotiator that was later executed.
 Finally the French appealed to Muammar Gaddafi to free the hostages, which he then did.
 The affair showcased Libya's growing influence in Central Africa.
Friedrich Jung (21 April 1915 – 5 August 1997) was a German doctor who became a leading Academic and Research Pharmacologist in the German Democratic Republic.
Werner Daehn (born 14 October 1967) is a German actor with an international reputation, who has worked with Vin Diesel and Samuel L. Jackson in "XXX", with Jason Priestley in "Colditz" an ITV1 2005 miniseries, with Bill Pullman in "Revelations" and with Steven Seagal in "Shadow Man".
 In addition he has also worked in German productions like "Stauffenberg - Rebellion of Conscience" (also titled "Valkeryie" on the German DVD) and "" (nominated in Germany for the ).
 He appears momentarily in the film "The Lives of Others" by Florian Henckel von Donnersmarck.
 He also took part in a British production for the BBC, when in 2011 he played the role of Dr Georg Maurer, the German doctor who treated the Manchester United players who survived the 1958 Munich air disaster.
 In 2016, he played the role of Josef Von Zimmerman, in Game of Aces.