David Macaulay
Host
Ian McKellen
Augustus Caesar (voice)
Derek Jacobi
Marcus Fabricius (voice)
Brian Blessed
Gaius Valerius (voice)
John Sessions
Laurens / Acco Bouvaix (voice)
Geoffrey Matthews
Licinus (voice)
Sandra Clark
Turia / Druid Priestess (voice)
Jaramy Stockwell
Servant / Citizen / Soldier (voice)
Sophie Thompson
Aiden (voice)