Alexander Schubert already played Egon Krenz in the comedies Vorwärts immer! (2017) and Sketch History (2015).
Lavinia Nowak said that she first talked to Katarina Witt on Skype and she was very excited on how close she Looks like her. According to Nowak Witt immediately called a relative and said: "Look at this, you have to see it. This can't be."
Kati's Father Manfred is seen driving a VW Golf with the Licence plate TKW 1-11. It is the actual Licence plate that Katarina Witt drove from 1988 until she gave it to her Father in 1996. THe Licence plate was made by her own wish, with T, for the GDR sector Karl-Marx-Stadt, nowadays Chemnitz and her initials KW. Today the car is owned by Gerrit Crummenerl in Leipzig.