- Tim Minchin - Darius Cracksworth
- Miranda Tapsell - Frances 'Red' Scrubbs
- Luke Carroll - Tim Billiberllary
- Kim Gyngell - Professor Alistair McGregor
- Vivienne Awosoga - Hetty Baggett
- Nicholas Burton - Dr Rainsford Sneed
- Susie Porter - Lady Jane Fox
- Damien Garvey - Governor Edmund Fox
- Lucy-Rose Leonard - Lady Fanny Fox
- Jessica De Gouw - Peggy Gaines
- Andrea Demetriades - Marianne Cracksworth
- Justin Smith - Tinkler Duckett
- Tom Budge - Hon Mortimer Smales
- Kevin MacIsaac - Angus Hootens
- Josh Price - Ebenezer Gulch
- Sofia Nolan - Milly Wince
- Alexandra Davies - Mrs Tinkler
- Trevor Jones - Sea Captain
- Mackenzie Fearnley - Hugh Champflower
- Jude Hyland - Charlie Salt
- Finn Treacy - Young Dodger
- Brigid Zengeni - Rosemary 'Rotty' Falkirk
- Fayssal Bazzi - Captain Sebastian Grimm
- Huw Higginson - Father Cruikshanks
- Ezekiel Simat - Ned Monks
- George Holahan-Cantwell - Nathaniel Brennan
- Yannick Lawry - Guard #3
- Benjamin Scott - Sailor
- Michael Sheasby - Sergeant Bramwell
- Aljin Abella - Bayani 'Flashbang' Rivera
- Nicholas Cassim - Navigator
- Brandon McClelland - Sailor Pike
- Darren McMullen - Sailor Rackham
- Nicholas Hope - Justice Micawber
- Steve Morris - Big Kit Wilderkins
- Hal Cumpston - Oliver Twist
- Mike Duncan - Brawny Bill
- Charles Dickens
- Naomi Spooner
- David Maher
- Fiona Lanyon
- Ashley Douglass
- James McNamara
- Ross Allsop
- Jessica Wells
- Antony Partos
- Jess Moore
- Tom David
- Jayden Whitbread
- Heidi Vybiral
Thomas Brodie-Sangster interpreta a Dr Jack Dawkins en la serie.
David Thewlis interpreta a Norbert Fagin en la serie.
Maia Mitchell interpreta a Lady Belle Fox en la serie.
Damon Herriman hace el papel de Captain Lucien Gaines.
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