Continuity mistake: After the General is murdered, everyone is back in the dining room in front of the statuettes. The Judge mentions that the twisted Owen believes he's doing "justice." Notice the handkerchief in the pocket of the Doctor. It sticks out a lot. Blore says "I'll tell you one thing", and the pochette is now tucked in with just the tip poking out, and it comes out again in full in the next shot. (00:37:50)
Continuity mistake: Judge Cannon's magical handkerchief misbehaves right at the beginning of the dinner scene when he tries to make everyone else confess; it's not even in sight when he gets his tea, but pokes out a great deal when in close-up starts admitting his own guilt. (01:01:35)
Revealing mistake: The overhead shot of Grohman climbing down the mountain features an alpine stuntman wearing gloves, while at no point Mario Adorf was shown wearing any. (00:50:20)
