On 1st of January 2003, Miranda got married to Peter O'Brien. Peter O'Brien is also an actor and he is famous for starring the role of Shane Ramsay on the Australian soap opera Neighbours. They met each other for the first time while they were in the play A Doll's House. As a loving spouse, they have been parents once. Besides this married life, there is no any information about her extra affairs, boyfriend and divorce.
As both of her parents are an actor and actress, Miranda induced an interest in acting at a young age. After her parents got divorced, she began living with her mother. When she was just a baby girl, she used to write scripts and designed costumes and flyers with her friends. With the completion of her secondary education, she joined National Institute of Dramatic Art. During those days she also starred in several plays and movies. She finally earned a degree from there in 1990. She made her acting debut in 1986 by starring the role of Emma Grange in the movie Emma's War. Next year she starred the role of Stevie in the movie Initiation. She got her rise in fame in the early 1990s after she starred the role of Nell Tiscowitz in the movie The Girl Who Came Late. She has been earning annual salary of $363,636 and her net worth is $3 million dollar.