Who is Liz Eaves from the play, Inadmissible Evidence?

Liz Eaves is having an affair with Bill Maitland. She appears at the end of the play, worried about Bill's mental state but willing to confront him about his repeated broken promises to her. Although she tries to get him to face up to his bad behavior, she shows patience and concern, repeatedly telling him that she loves him. When she cannot get Bill to commit to their relationship, she decides to leave him.