Alethea Ada McGrath (1 June 1920 â 9 February 2016) was an Australian actress and comedian. She is best known for her role as Jedi Master Jocasta Nu in '.
Born Alethca Ada Murphy, the youngest daughter of Philip Austin Murphy (born in 1870 at Providence, Rhode Island, United States, died in 1943 at Lindum, Queensland, Australia and English-born mother Rosa Alice Allum (1886-1958).
She married Edward William McGrath (1929-2007).
Initially billed as Alethea Murphy in her two appearances in Homicide in 1964 and 1966. Her roles on television included Dot Farrar in Prisoner and three different roles in Neighbours: Miss Logan in 1985, Mary Crombie in 1989 and 1991, and Lily Madigan in 1998. In the 2000s, she played Mrs. Lillie in Romulus, My Father (2007) and Miss Taylor in Knowing (2009).
Before concentrating on acting professionally, McGrath taught drama at Methodist Ladies College, Kew, Melbourne.
She died in a hospital near Melbourne, Australia on 9 February 2016, aged 95.