I, Claudius - Season 1 - Eps 7: Reign of Terror
With Tiberius retired to Capri, Sejanus plans to tighten his grip on Rome and divorces his wife so he can marry Livilla. But he also has powerful enemies and his attempts to consolidate power set in motion a bloody chain of events.
About I, Claudius

Title: I, Claudius
First Air Date: 1976-09-20
Last Air Date: 1976-12-06
Status: Ended
Rating: 7.8/10 (from 116 votes)
Language: EN
Seasons: 2
Total Episodes: 12
Network: BBC Two
Genres: Drama, War & Politics
Production Companies: London Films Productions, BBC
Synopsis
Acclaimed blackly comic historical drama series. Set amidst a web of power, corruption and lies, it chronicles the reigns of the Roman emperors - Augustus, Tiberius, Caligula and finally Claudius.
Cast

Derek Jacobi
Claudius

Siân Phillips
Livia Drusilla

Margaret Tyzack
Antonia

Brian Blessed
Augustus

James Faulkner
Herod Agrippa

Fiona Walker
Agrippina

Kevin McNally
Castor

Bernard Hepton
Pallas

Sheila White
Messalina

John Cater
Narcissus