Related Clues:

• FBI worker: Abbr.
• Seek secrets
• CIA emp.
• Work undercover, in a way
• Covert operator
• Cosby's first prime-time role
• Intelligence gatherer
• 007, e.g.: Abbr.
• CIA figure
• CIA figure: Abbr.
• 007 is one
• KGB figure
• One who may bug you
• Person with a code name, maybe
• Unwelcome plant?