Visible crew/equipment: In either direction in the bridge scene, the end of the soundstage is easily seen.
Continuity mistake: In the museum, the officer directing Wainwright has the ring on his right hand. A moment later, it's on his left hand.
Continuity mistake: When The Shadow is wrestling with Purba (The Knife) Cranston's lip is bleeding. When the struggle continues, his lip is clean, then goes back to how it was before. (01:32:00 - 01:32:49)
Character mistake: Shiwan Khan uses mind control to make Nelson commit suicide. Later, when Lamont is talking to one of his agents, the agent talks about a murder at the museum.
Answer: In the comics he was a tall, thin man with a large hook nose, sort of like "Sherlock Holmes." When the movie was cast, they thought of altering Alec Baldwin's face for the role, but decided that all those prosthetics would make him unrecognizable, so it was decided he would morph into the original character, when using his "Shadow" power. The same thing was decided when Warren Beatty was cast as "Dick Tracy."