Alethea Ada McGrath (1 June 1920 – 9 February 2016) was an Australian actress and comedian. She played Jocasta Nu in Star Wars: Episode II – Attack of the Clones. She is also widely known for her roles on television, playing Dot Farrar in Prisoner and she has had three parts in Neighbours: Miss Logan in 1985, Mary Crombie from 1989 to 1990 and Lilly Madigan in 1998. Most recently she played the older character of Miss Taylor in Knowing (2009). Before concentrating on acting professionally, McGrath taught Drama at Methodist Ladies College in the Melbourne suburb of Kew.