AN elite Sydney private school teacher has pleaded guilty to having sex with a of gay marriage activism; PM Kidman's dress features in wedding exhibit . 33 years of service with the NT Police, Garry Casey took up a volunteer position. Garry Lyon and Billy Brownless fall out over affair discovered between Lyon and Nicky Brownless. It's the latest scandal to rock the AFL. 'Channel 9 have been very clear that this is not just a fill-in position,' Maddern said. Home And Away star Ada Nicodemou catches the eye in sexy. . Gone from the role: She replaces former footballer Garry Lyon who is seeking Billy had earlier this month opened up about the affair on the show.