Possible Clues:

• Mustard, for example
• Mustard? You might pick up the seed
• Temple no location to hide retreating officer
• Perfume's no good: smell at the back is rank
• With 38 Across, Clue suspect
• Rosa Klebb’s rank in From Russia With Love
• Officer: bit of a nut, by the sound of it?
• With 49-Across, the face of Kentucky Fried Chicken
• Fast-food icon, with 'the'
• Army officer in centre, by the sound of it