Possible Clues:

• No nonsense shown over one old American film
• Tricked! Root in middle of house of ill repute!
• Awfully famous old picture?
• Renowned, or a word associated with the starting sounds of 17-, 28- and 47-Across
• Infamous old port protected by other people?
• Very disreputable
• Disgraceful riot soon breaking out -- university steps in
• *Unfavorably known
• Refusal to American to consume port of bad repute
• Infamous type is onto our mistake