| Lord Chief Justice | Privileged from birth | The Lord Chief Justice,
For the term of his natural life | Greg Thomas |
| Lady Trilby | Born to rule | For the terms of their natural lives | Julie Erdman |
| Jim Jones | A hard man (convict) | Think of me, Lord Chief Justice, Green Fields of England, Scum of the Earth, Ne plus ultra, Bunch of Damned Whores (Reprise) | Greg Thompson |
| Jury | Six men, six women, mixed voice choir who 'double up' as required | Choir | |
| Michael Allard | convict | Lord Chief Justice, Green Fields of England, Scum of the earth, Bunch of Damned Whores (Reprise) | Benjie Nicodemus |
| Solomon Abraham | convict | Scum of the earth, Bunch of Damned Whores (Reprise), Think of Me | Pratik Mali |
| Molly Brown | whore (convict) | Lord Chief Justice, Green Fields of England, A bunch of damned whores, A bunch of damned whores (Reprise), Think of me | Kristy Dickson |
| Morag McDonald | whore (convict) | A bunch of damned whores, A bunch of damned whores (Reprise), Think of me | Gial Leslie |
| Brigid O'Rourke | whore (convict) | A bunch of damned whores, A bunch of damned whores (Reprise), Think of me | Noni Dickson |
| Megan Rhys | whore (convict) | Lord Chief Justice, Green Fields of England, A bunch of damned whores, A bunch of damned whores (Reprise), Think of me | Meredith Williams |
| Millie | 10 yr old urchin (convict) | I don't even know | Elisheba Femia |
| Flogger Flynn | The Commandant (psychopath) | Welcome to Australia, Scum of the earth, Bring back the cat, Ne plus ultra | Alan Clarke |
| Matron | The Matron | Welcome to Australia. Bring back the cat, Ne plus ultra | Kim Pinkerton-Jones |
| Governor Brisbane | Benign, upper class, shallow - a dangerous, enigmatic man | Welcome to Australia,
The Hard Men,
Ne plus ultra | Lindsay Walton |
| Lady Brisbane | Charming, upper class | Welcome to Australia | Christine Yardley |
| Rev. Samuel Marsden | | Welcome to Australia,
Matron Link,
Bring back the cat,
Ne plus ultra | Greg Thomas |