Possible Clues:

• Excessively fast
• Mariner's end in verse is to go without food
• Staff holding revolutionary leader fast
• 'Not to have enough, of course (6)'
• 'Vera and the Saint, together, seem to suffer from a lack of food (6)'
• Go without food, seeing value initially in look
• Go hungry, needing to look about five!
• Averts disaster fast!
• Go fare free?
• Go mad with hunger