Erros de gravação

Dates given in the story are out of sequence. After starting "May 10, 1916" (title), a telegram received later appears to be dated "3/4/16". A newspaper near the end is dated "Tuesday, September 21, 1916", when that date actually occurred on a Thursday. Afterward a postcard bears the date of "April 2".

Ashenden's resignation letter changes between scenes. The first time seen, it reads: "Now that I have resigned / if you want a successor for / me I can give you the / name of a good reliable butcher." When Carrington later looks at it and cuts it up, it reads: "Now that I have resigned / if you want a successor / for me I can give you / the name of a good / reliable butcher."

The General (Peter Lorre) drops his hat in the church and then he runs upstairs together with Edgar Brodie (John Gielgud). When they reach the top, he has his hat on again.

When the man with one arm tries to move the coffin, he drapes the flag over his right shoulder, but in the next closeup, it only covers his forearm.

When the hotel bathroom is first seen, the toilet roll is held on its holder with the end hanging at the back of the toilet roll hanger. However, when 'The General' goes on a strop for not having a wife 'issued' to him, the toilet roll is hanging with the end on the front of the toilet roll holder.

A newspaper gives the date as Thursday May 10, 1916. In actuality, May 10, 1916 was a Wednesday.

Although the film is set in 1916, fashion, hairstyles and set decoration are contemporary to 1936.