Cashew the guinea pig is the companion to hacker Gavin Orsay in the television serial "House of Cards." Cashew is introduced in Season 2 as Gavin Orsay's pet. She is threatened by Agent Green when Orsay expresses misgivings about his role in ruining Lucas Goodwin. In Season 3, Cashew is notably absent from the action, only appearing after Gavin has revealed his deceptions to Lisa Williams.
Cashew is left in her cage just outside of Lisa's home, and it is presumed that she takes up ownership of the guinea pig.
In Cashew's most dramatic scene, she endures threatening foot pressure during an interrogation by Agent Green. Note: no guinea pigs were actually harmed during the filming of this scene.