- John Rhys-Davies
- Old Patrick
- Moe Dunford
- Narrator
- Seán T. Ó Meallaigh
- Patrick
- Shane O'Regan
- Young Felix
- Ailbhe Cowley
- Virgin
- Michael Cloke
- Crewman
- Shane Lynch
- Druid
- Tom Leavey
- Mentor
- Robert McCormack
- Young Patrick
- Jed Murray
- Captain
- Janet Grene
- Irish Extra 15
- Jesse Morris
- The Messenger
- Shane G. Casey
- Calpornius
- John Heathwood
- Slaver
- Gemma Keenan
- Druid 4
- Malcolm Adams
- British Bishop
- Adam Traynor
- Felix
- Mark P. O'Connor
- Virgin's Father
- Joseph Duggan
- Irish Raider
- Michael Connolly
- Irish Extra 14
- Derek Black
- Slave Owner
- Rachel Maguire
- Irish Extra 17
- Virginia Maughan
- Irish Extra 10
- Shane Casey
- Calpornius
- Claire Richardson
- Female Slave
- Kristian Lahdensuo
- Irish Extra 4
- Sean Gearoid McGabhann
- Peasant 2
- Patrick Maxwell
- Irish Extra 3
- Ian Kiely
- Convert 1
- Fiona Kelly
- Irish Extra 8
- Cormac O'Farrell
- Irish Extra 13
- Stefan Barry
- Irish Extra 2
- Patrick McEvoy
- Irish Raider 3
- Maxim Trigub
- Noah, Young Patrick's Friend
- Emma Adams
- Dead Body 1
- Gerben Uunk
- Irish Extra 6
- Alexandria McGrath
- Dead Body 4
- Johnny-Peacock
- Irish raider
- Stephen Edward Sheridan
- Tribal Leaders Son
- Patrick O'Neill
- Irish Extra 7
- Andrew St Ledger
- Dead Body 2
- Kieran Burke
- Irish Raider 2
- Aine Heslin
- Druid 5
- James Keogh
- Irish warrior
- Keith Bogue
- Druid
- Eoin Slattery
- Farmer 2
- Shane McInerney
- Dead Body 3
- Ciaran McCabe
- Irish Extra 14
- Sean O'Brien
- Druid 1
- Aine O'Brien
- Irish Extra 16
- Jonathan Peacock
- Irish Raider 1
- William Howard Lynch
- Druid 3
- Leanne O'Donnell
- Irish Extra 11
- Catherine Keating
- Peasant 1
- Max Kane
- Convert 2
- Jonathan McLoughlin
- Irish Extra 5
