Per the title, The White Rose was a resistance group in Nazi Germany consisting of students and professors from the University of Munich who offered nonviolent resistance to the Nazis.
While Franz and Greta are talking to Jessica the first time, Franz said, Greta and he could not have escaped East Germany without the help of Conrad Schumann. Conrad Schumann was the first person who escaped over the Berlin Wall that lived to tell about it.
Michael Anderson Jr. (Dr. Lynch) and Jenny Agutter (Margo) also co-starred together on the movie Logan's Run (1976).
Bernard Fox (Andrew Wyckham) and Eric Braeden (Col. Brunner) who appear together in this episode, both starred in Herbie Goes to Monte Carlo (1977) and Titanic (1997).
The portrait of Sir Thomas More by Hans Holbein the Younger is very visible.