- Written By:
- Jack Pulman
- Producer:
- Martin Lisemore
- Director:
- Herbert Wise
- Claudius:
- Derek Jacobi
- Apicata, Sejanus's ex-wife:
- Kate Lansbury
- Antonia, Claudius's mother:
- Margaret Tyzack
- Helen, Livilla's daughter:
- Karin Foley
- Livilla, Claudius's sister:
- Patricia Quinn
- Tiberius, Emperor of Rome:
- George Baker
- Sejanus:
- Patrick Stewart
- Thrasyllus:
- Kevin Stoney
- Agrippina, Caligula's mother:
- Fiona Walker
- Senator:
- Richard Aylen
- Arria, Sejanus's daughter:
- Katherine Hughes
- Junius, Sejanus's son:
- Alfonso Di Lieto
- Slave:
- John Beardmore
- Callus:
- Charles Kay
- Quaestor:
- Michael Segal
- Drusus, Caligula's brother:
- Richard Hunter
- Macro:
- John Rhys-Davies
- Guard:
- Kim Begley
- Caligula, Agrippina's son:
- John Hurt
- Slave:
- Peter Benedict
- Aelia, Claudius's wife:
- Liane Aukin
- Atticus:
- John Franklyn-Robbins
- Captains of the Guard:
- Richard Lindfield,
- Captains of the Guard:
- Pat Gorman
- Bystander:
- Jeremy Wallis
