|Looks better than Monica|
|1st appearance:||Guess Who's Coming to State Dinner?|
|Voice Artist:||Nina Hellman|
Cassie was President Breyer's secretary that he was having an affair with. When Dr. Venture's force field was damaged by Agent Hauser and they were all trapped in the Oval Office, Cassie was among them. She had been under the President's desk giving him a blow job. She later found some Jack Daniels in his desk and passed it around to help pass the time.
- Monica Lewinsky
- May also be inspired from Madeleine Duncan Brown who was the longtime mistress of Lyndon Johnson