- Derek Jacobi
- Â Claudius 13 episodes, 1976
- George Baker
- Â Tiberius 10 episodes, 1976
- Margaret Tyzack
- Â Antonia 9 episodes, 1976
- Siân Phillips
- Â Livia 8 episodes, 1976
- Brian Blessed
- Â Augustus 6 episodes, 1976
- James Faulkner
- Â Herod Agrippa / ... 6 episodes, 1976
- John Hurt
- Â Caligula 5 episodes, 1976
- Patricia Quinn
- Â Livilla 4 episodes, 1976
- Patrick Stewart
- Â Sejanus 4 episodes, 1976
- Fiona Walker
- Â Agrippina 4 episodes, 1976
- Kevin McNally
- Â Castor 4 episodes, 1976
- Bernard Hepton
- Â Pallas 3 episodes, 1976
- Sheila White
- Â Messalina 3 episodes, 1976
- John Cater
- Â Narcissus 3 episodes, 1976
- Frances White
- Â Julia 3 episodes, 1976
- David Robb
- Â Germanicus 3 episodes, 1976
- Freda Dowie
- Â The Sybil / ... 3 episodes, 1976
- Roger Bizley
- Â Senator / ... 3 episodes, 1976
- Kevin Stoney
- Â Thrasyllus 3 episodes, 1976
- Alan Thompson
- Â Praxis 3 episodes, 1976
- James Fagan
- Â Asprenas / ... 3 episodes, 1976
- Jo Rowbottom
- Â Calpurnia 2 episodes, 1976
- Ian Ogilvy
- Â Drusus 2 episodes, 1976
- Moira Redmond
- Â Domitia 2 episodes, 1976
- Sam Dastor
- Â Cassius Chaerea 2 episodes, 1976
- Norman Eshley
- Â Marcus / ... 2 episodes, 1976
- John Rhys-Davies
- Â Macro 2 episodes, 1976
- John Castle
- Â Postumus 2 episodes, 1976
- Anne Dyson
- Â Briseis 2 episodes, 1976
- Sheila Ruskin
- Â Vipsania 2 episodes, 1976
- Lockwood West
- Â Senator 2 episodes, 1976
- Renu Setna
- Â Musa 2 episodes, 1976
- Bernard Hill
- Â Gratus 2 episodes, 1976
- Michael Segal
- Â Quaestor 2 episodes, 1976
- Karin Foley
- Â Helen 2 episodes, 1976
- Souad Faress
- Â Girl / ... 2 episodes, 1976
- Tony Haygarth
- Â Claudius' Slave 2 episodes, 1976
- Russell Lewis
- Â Lucius 2 episodes, 1976
- Earl Rhodes
- Â Gaius 2 episodes, 1976
- William Bond
- Â Usher 2 episodes, 1976
- Patrick Drury
- Â Courier 2 episodes, 1976
- Anni Domingo
- Â Masseuse / ... 2 episodes, 1976
- Ronald Markham
- Â Julia's Lover / ... 2 episodes, 1976
- Paul Sherman
- Â Slave 2 episodes, 1976
- Yvonne Patterson
- Â Masseuse / ... 2 episodes, 1976
- John Scott Martin
- Â Julia's Lover / ... 2 episodes, 1976
- Andrew Manson
- Â Guardsman / ... 2 episodes, 1976
- Michael Hawkins
- Â Rufus 2 episodes, 1976
- Barbara Young
- Â Agrippinilla 1 episode, 1976
- Beth Morris
- Â Drusilla 1 episode, 1976
- Stratford Johns
- Â Piso 1 episode, 1976
- Christopher Biggins
- Â Nero 1 episode, 1976
- Graham Seed
- Â Britannicus 1 episode, 1976
- Lyndon Brook
- Â Silanus 1 episode, 1976
- Irene Hamilton
- Â Plancina 1 episode, 1976
- Simon MacCorkindale
- Â Lucius 1 episode, 1976
- Stuart Wilson
- Â Silius 1 episode, 1976
- Peter Bowles
- Â Caractacus 1 episode, 1976
- Isabel Dean
- Â Lollia 1 episode, 1976
- John Paul
- Â Agrippa 1 episode, 1976
- Nicholas Amer
- Â Mnester 1 episode, 1976
- Jon Laurimore
- Â Lentulus 1 episode, 1976
- Darien Angadi
- Â Plautius 1 episode, 1976
- Liane Aukin
- Â Aelia 1 episode, 1976
- George Howe
- Â Senator 1 episode, 1976
- Charles Kay
- Â Gallus 1 episode, 1976
- John Bennett
- Â Xenophon 1 episode, 1976
- Christopher Guard
- Â Marcellus 1 episode, 1976
- Carol Gillies
- Â Camilla 1 episode, 1976
- Ashley Knight
- Â Young Claudius 1 episode, 1976
- Manning Wilson
- Â Marsus Vibius 1 episode, 1976
- George Innes
- Â Quintus Justus 1 episode, 1976
- Angela Morant
- Â Octavia 1 episode, 1976
- Bruce Purchase
- Â Sabinus 1 episode, 1976
- Jonathan Burn
- Â Fabius 1 episode, 1976
- Norman Shelley
- Â Horace 1 episode, 1976
- Geoffrey Hinsliff
- Â Rufrius 1 episode, 1976
- Kate Lansbury
- Â Apicata 1 episode, 1976
- Katharine Levy
- Â Livilla 1 episode, 1976
- Arthur Whybrow
- Â Stone Mason 1 episode, 1976
- James Bree
- Â Montanus 1 episode, 1976
- Cheryl Johnson
- Â Octavia 1 episode, 1976
- Norman Rossington
- Â Sergeant 1 episode, 1976
- John Franklyn-Robbins
- Â Atticus 1 episode, 1976
- Edward Jewesbury
- Â Titus 1 episode, 1976
- Roy Purcell
- Â Vitellius 1 episode, 1976
- Carleton Hobbs
- Â Aristarchus 1 episode, 1976
- Charlotte Howard
- Â Scylla 1 episode, 1976
- John Drake
- Â Consul 1 episode, 1976
- Graham Rowe
- Â Junius 1 episode, 1976
- Douglas Melbourne
- Â Gemellus 1 episode, 1976
- Michael Clements
- Â Herod 1 episode, 1976
- Patsy Byrne
- Â Martina 1 episode, 1976
- Linal Haft
- Â Geta 1 episode, 1976
- Esmond Knight
- Â Domitius 1 episode, 1976
- Donald Eccles
- Â Pollio 1 episode, 1976
- George Little
- Â Tortius 1 episode, 1976
- Alan Tucker
- Â Slave 1 episode, 1976
- John Evitts
- Â Meno 1 episode, 1976
- Aubrey Richards
- Â Varro 1 episode, 1976
- George Pravda
- Â Gershom 1 episode, 1976
- Sally Bazely
- Â Poppaea 1 episode, 1976
- Denis Carey
- Â Livy 1 episode, 1976
- Neal Arden
- Â Cestius 1 episode, 1976
- Danny Schiller
- Â Slave 1 episode, 1976
- Peter Williams
- Â Silius Caecina 1 episode, 1976
- Robert Craig-Morgan
- Â Caligula 1 episode, 1976
- John Truscott
- Â Librarian 1 episode, 1976
- Robert Bateman
- Â Singer 1 episode, 1976
- Guy Siner
- Â Pylades 1 episode, 1976
- Glenn Cunningham
- Â Slave 1 episode, 1976
- Diana Hutchinson
- Â Agrippina 1 episode, 1976
- Katherine Hughes
- Â Arria 1 episode, 1976
- Norman Ettlinger
- Â Senator 1 episode, 1976
- Chris Lethbridge-Baker
- Â Protector 1 episode, 1976
- Gina Manicom
- Â Iris 1 episode, 1976
- Peter Harwood
- Â Assassin 1 episode, 1976
- Guy Slater
- Â Courier 1 episode, 1976
- Jan Carey
- Â Diana 1 episode, 1976
- David Davenport
- Â Thallus 1 episode, 1976
- Gary Lock
- Â Germanicus 1 episode, 1976
- Alfonso Di Lieto
- Â Junius 1 episode, 1976
- Terry Francis
- Â Slave 1 episode, 1976
- Neil Dickson
- Â Guard 1 episode, 1976
- Richard Aylen
- Â Senator 1 episode, 1976
- Amanda Kemp
- Â Midwife 1 episode, 1976
- Vivien Clifford
- Â Postumus' Wife 1 episode, 1976
- Stan McGowan
- Â Young Man 1 episode, 1976
- Alister Kerr
- Â Postumus 1 episode, 1976
- Roy Stewart
- Â Sentor 1 episode, 1976
- Jennifer Croxton
- Â Claudius' Bride 1 episode, 1976
- Amanda Kirby
- Â Young Antonia 1 episode, 1976
- Richard Lindfield
- Â Captain of the Guard 1 episode, 1976
- Julian Armstrong
- Â German Guard 1 episode, 1976
- Michael Stock
- Â Guard 1 episode, 1976
- Pat Gorman
- Â Captain of the Guard 1 episode, 1976
- Nicholas Willatt
- Â Courier 1 episode, 1976
- John Burgess
- Â Julia's Lover 1 episode, 1976
- Kim Begley
- Â Guard 1 episode, 1976
- Richard Hunter
- Â Drusus 1 episode, 1976
- Peter Benedict
- Â Slave 1 episode, 1976
- Sheridan Earl Russell
- Â Slave 1 episode, 1976
- John Beardmore
- Â Slave 1 episode, 1976
- Jeremy Wallis
- Â Bystander 1 episode, 1976
- Adam Rhodes
- Â Child 1 episode, 1976
- Roger Sansom
- Â Senate Officer #1 1 episode, 1976
- Heidi Smith
- Â Child 1 episode, 1976
- John Wilder
- Â Senator (uncredited) 2 episodes, 1976
- Victor Croxford
- Â Senator (uncredited) 2 episodes, 1976
- Jim Carter
- Â Senator in the front row of the Roman Senate (uncredited) 1 episode, 1976
- Tina Simmons
- Â Senator's Wife (uncredited) 1 episode, 1976
- Harry Fielder
- Â Soldier (uncredited) 1 episode, 1976
- John Cannon
- Â Cake Ship slave (uncredited) 1 episode, 1976
- Jill Goldston
- Â Servant Woman with Baby (uncredited) 1 episode, 1976
- Cy Town
- Â Senator (uncredited) 1 episode, 1976
- Charles Rayford
- Â Senator (uncredited) 1 episode, 1976
- Anthony Lang
- Â Senator (uncredited) 1 episode, 1976
- Paul Phillips
- Â Senator (uncredited) 1 episode, 1976
- Ronnie Grainge
- Â Senator (uncredited) 1 episode, 1976
- Richard Atherton
- Â Senator (uncredited) 1 episode, 1976
