Visible crew/equipment: When James Stewart tells Doris Day that he lied about the telephone call being from the hotel, Doris gets excited and James struggles with her on the bed. During that scene, you can see on the upper left corner a shadow of a microphone.
Great sites
Mistakes
When James Stewart tells Doris Day that he lied about the telephone call being from the hotel, Doris gets excited and James struggles with her on the bed. During that scene, you can see on the upper left corner a shadow of a microphone. See more...
Trivia
Alfred Hitchcock makes his regular cameo watching a group of street entertainers. See more...
The Man Who Knew Too Much mistakes
Continuity: Although the assassin and the ambassador are seated in the same tier of boxes, the assassin's view of his target through the opera glasses is from below and not from across.
Continuity: Dr. McKenna is wearing a blue suit and hat during the bus ride in the beginning of the movie and then again as the family board the wagon and set out for their hotel. When the wagon arrives at their hotel and everyone gets out, McKenna's suit and hat have suddenly switched to light gray.
The Man Who Knew Too Much trivia
Alfred Hitchcock makes his regular cameo watching a group of street entertainers.
The conductor in the symphony scene is Bernard Herrmann, who is actually playing himself. His name is seen on a poster outside the theater. Herrmann composed the music for many of Hitchcock's films, including some of the score for this one.