The German Major-General eliminated by the Tesselecta for his war crimes is named Erich Zimmermann. Ironically, one Erich Zimmerman was one of the co-authors on one of the earliest standard works on the attempt on Adolf Hitler's life on 20 July 1944.
The famously clumsy Matt Smith was afraid of ruining his tuxedo, so he placed the jacket onto a table and into a glass of grape juice.
This episode introduces a new article of clothing for the Eleventh Doctor that he continues to wear for most of the remainder of Series 6 - a green, double-breasted moleskin coat with six pockets and six gold buttons. Matt Smith explained that he wanted a longer coat because of cold weather.
Vintage vehicles from the period were used. Arthur Darvill loved the motorbike, although he was not allowed to ride it as it was the job of the stuntman.