Related Clues:

• A well-bred fellow envoy
• Instrument needed in a good hospital department
• He may have a reputation for being less than a gentleman at the negotiating table
• A male factor
• A percentages player?
• One acting for another
• Salesman's deep-red colour, appearing unclothed?
• Actors' manager
• Rep supplying books on time
• One representing others
• Greene's was confidential
• Get cracking with an instrument
• Conrad's secret.
• A fellow's instrument
• Get an unusually frequent protagonist for Len Deighton