- Writer:
- Jack Pulman
- Based on the novels by:
- Robert Graves
- Producer:
- Martin Lisemore
- Director:
- Herbert Wise
- Claudius:
- Derek Jacobi
- Horace:
- Norman Shelley
- Augustus, Emperor of Rome:
- Brian Blessed
- Livia, Augustus's wife:
- Sian Phillips
- Postumus, Julia's son:
- John Castle
- Postumus's wife:
- Vivian Clifford
- Tiberius, Livia's son:
- George Baker
- Agrippina, Germanicus's wife:
- Fiona Walker
- Germanicus, Claudius's brother:
- David Robb
- Antonia, Claudius's mother:
- Margaret Tyzack
- Livilla, Castor's wife:
- Patricia Quinn
- Praxis:
- Alan Thompson
- Courier:
- Guy Slater
- Livy:
- Denis Carey
- Pollio:
- Donald Eccles
- Librarian:
- John Truscott
- Herod:
- James Faulkner
- Castor, Livilla's husband:
- Kevin McNally
- Claudius's bride:
- Jennifer Croxton
