Dirk Bogarde

Self - Narrator

Charles Laughton

Tiberius Claudius (archive footage)

Robert Graves

Self - Interviewee

Josef von Sternberg

Self - Interviewee

Merle Oberon

Self - Interviewee / Messalina (archive footage)

Flora Robson

Self - Interviewee / Livia (archive footage)

Emlyn Williams

Self - Interviewee / Caligula (archive footage)

Eileen Corbett

Self - Interviewee

John Armstrong

Self - Interviewee

John Abbott

Ms. Robson's Host (uncredited)