that Connors is not actually her last name, and she is an undercover cop. Ruby Mitchell Ruby Mitchell (Rarriwuy Hick) (seasons 6–8) is an inmate at Wentworth, and the younger sister of Rita Connors. She is a boxer, and is revealed to have accidentally killed the son of Marie Winter. She later forms a relationship with Allie Novak. A sheet of paper on her cell door in season 7 spells her name "Roobi". Marie Winter Marie Winter (Susie Porter) (seasons 6–8) is an inmate at Wentworth, a businesswoman, and the co-owner of a brothel along with Derek Channing. She once had a relationship with Allie Novak, which led Allie to drugs and prostitution until Kaz stopped it. She has an affair with Will Jackson, and was arrested for assaulting a doctor who was unable to save her son. In season 7 she is elected Top Dog following the death of Kaz Proctor. Recurring characters Inmates Kim Chang Kim Chang (Ra Chapman) (seasons 1–5) is an inmate at Wentworth. Kim was Franky's friend with benefits inside the prison. Kim was often seen as Franky's weakness when she was Top Dog, which other inmates would try to exploit. Kim makes parole and leaves on bad terms with Franky, as Kim goes back to her boyfriend once outside. Kim later breaks the conditions of her parole and is sent back to Wentworth. Kim reveals that she did it on purpose to be with Franky because she loves her, but is angered when Franky has moved on. Later on, she becomes a drug user and joins the Asian crew as Tina's drug mule. Simmo Simone "Simmo" Slater (Ally Fowler) (seasons 1–3) was an inmate at Wentworth. Simmo was one of Jacs Holt's henchmen, and had connections with Jacs' family and business on the outside world. Simmo was a recovering heroin addict, until her husband ordered her to kill Bea Smith at the request of Vinnie Holt to avenge the murder of his wife, Jacs. Simmo refuses to kill Bea and goes to Franky for drugs, with which she intended to use to kill herself but Bea Smith discovered her in time. After Simmo recovers, she again refuses to kill Bea. Later, Bea discovers Simmo in her room after dying of a heroin overdose. It is later discovered that Governor Ferguson gave Simmo a hot shot of Pink Dragon heroin. Roz Jago Rosalind "Roz" Jago