Rollista

• Paul Mescal — Lucius
• Denzel Washington — Macrinus
• Pedro Pascal — Justin Martialis
• Connie Nielsen — Lucilla
• Joseph Quinn — Emperor Caracalla
• Fred Hechinger — Emperor Geta
• Derek Jacobi — Gracchus
• Matt Lucas — Master of Ceremonies
• Peter Mensah — Jugurtha
• Lior Raz — Viggo
• Alexander Karim — Ravi
• Alfie Tempest — Young Lucius
• Djimon Hounsou — Juba
• May Calamawy — Macrinus' Companion
• Yann Gael — Bostar
• Alec Utgoff — Darius
• Rory McCann — Tegula
• Richard McCabe — Quaestor
• Tim McInnerny — Senator Thraex
• Peter Mensah — Jugurtha