Paul Mescal (Lucius), Pedro Pascal (General Acacius), Connie Nielsen (Lucilla), Denzel Washington (Macrinus), Joseph Quinn (Emperor Geta), Fred Hechinger (Emperor Caracalla), Lior Raz (Viggo), Sir Derek Jacobi (Gracchus), Rory McCann (General Tegula), Tim McInnerny (Senator Thraex)