Kadro (9)
Dirk BogardeHimself - Host / NarratorRobert GravesHimself - author of 'I, Claudius'
Josef von SternbergHimself - Director
Merle OberonHerself
Flora RobsonHerself (Livia) (as Dame Flora Robson)
Emlyn WilliamsHimself
John AbbottHimself - Ms. Robson's Host
Charles LaughtonClaudius
Robert NewtonCaptain of Caligula's guard