Film:
* The Adventures of Priscilla, Queen of the Desert (1994): This iconic Australian comedy-drama features Agatha in a supporting role as a glamorous, gender-bending performer.
* The Man Who Sued God (2001): Agatha plays a pivotal role in this comedy-drama, starring Billy Connolly, as a woman who challenges religious beliefs.
* A Few Good Men (1992): She has a smaller role in this courtroom drama, featuring Tom Cruise and Jack Nicholson.
Television:
* Home and Away (1990-1991): Agatha played the role of Fiona Walker in the long-running Australian soap opera.
* The Broken Hearts Club (1998): This short-lived but acclaimed Australian sitcom featured Agatha in a leading role.
* All Saints (2000-2004): She appeared in several episodes of this medical drama series, playing a variety of roles.
* The Librarians (2014-2018): Agatha had a recurring role in this fantasy adventure series as a librarian with mysterious powers.
* Mystery Road (2018-present): Agatha plays the role of Detective Sergeant Mary-Anne Walsh in this Australian crime drama series.
This is not an exhaustive list, but it includes some of her most prominent and well-known roles. She has also been in several other film and television projects, including various Australian television dramas, short films, and stage productions.