Related Clues:

• Austin Powers, e.g.
• Bond, for example
• George Smiley, e.g.
• Secret trader
• One of Smiley's people
• Cultural Revolutionist
• Mata Hari, for one
• 1960s jacket eponym
• Secret agent
• Name in China's history
• Undercover sort
• Mole
• Tail, maybe
• Sight
• Kind of glass