Frankie Howerd as Lurcio

Michael Hordern as Ludicrus Sextus

Barbara Murray as Ammonia

Patrick Cargill as Nero

Lance Percival as Bilius

Julie Ege as Voluptua

Bill Fraser as Prosperus Maximus

Rita Webb as Cassandra

Bernard Bresslaw as Gorgo

Adrienne Posta as Scrubba

Madeline Smith as Erotica

Royce Mills as Nausius

Ian Trigger as Odius

Aubrey Woods as Villanus

Hugh Paddick as Priest

Roy Hudd as Nero's M.C.

Laraine Humphrys as Flavia

George Woodbridge as Fat Bather

Derek Griffiths as Steam Slave

Barrie Gosney as Major Domo

Veronica Clifford as Boobia

Gaye Brown as Biggia

Kenneth Cranham as Christian

Andy Forray as Christian

Russell Hunter as Jailer

Irlin Hall as Plumpa

Lally Bowers as Procuria

Ken Wynne as Vinus

Mischa De La Motte as Satyr

Kenny Rodway as Rumpus

Robert Tayman as Noxius

Billy Walker as Prodigious

Warwick Sims as Handsome Man

Samantha Bond as Girl Bather (uncredited)

Candace Glendenning as Stone Girl (uncredited)