Possible Clues:

• Worker in a cage
• 'All told, you may get cash from one (6)'
• Narrator or bank cashier
• Narrator
• Take all the mud off red mullet - it's a job one does at the bank
• Person who handles bills
• Bank official or narrator
• Sounds like advice to put that woman in The Picture as the bank official
• He may have tales - indeed, you can bank on it
• Cashier - vote counter - narrator