Who is Kimberly Marsh in the novel, The Monkey’s Raincoat?

Kimberly Marsh is an actress and Mort Lang's girlfriend. Mort has feelings for her, but Kimberly seems to be only using Mort. Kimberly sleeps with Domingo Duran at his party, looking at it as a way to get a good part in a film. She also has another boyfriend, Larry, who she calls to help her steal two kilos of cocaine from Domingo. Kimberly doesn't seem to care whether Mort or his son Perry get hurt or killed, as long as she profits from the stolen cocaine.