Tiberius Claudius (archive footage)
Interviewee [original author]
Interviewee [director] / Himself (archive footage)
Interviewee / Messalina (archive footage)
Interviewee / Livia (archive footage)
Interviewee / Caligula (archive footage)
Interviewee [script girl]
Interviewee [costume designer]
Narrator
Himself – Ms. Robson's Host (uncredited)
Cassius, Captain of Caligula's guard (archive footage; uncredited)
Xenophon, Claudius' doctor (archive footage; uncredited)
