The movie Juliana watched is The Judgment at Nuremberg.
The byline of the newspaper article declaring John Smith "Salesman of the Year" credits "J.M. Nemtin" as its author. Jozef Nemtin was art department assistant for a total of 16 episodes, starting from the midway point of the third season.
David Harewood (Equiano Hampton) has worked with Rupert Evans (Frank Frink) in the TV show, The Palace (2008), playing Major Simon Brooks and King Richard IV respectively. However in 'Man in the High Castle', they don't share any scenes.