Sidney James
— King Henry VIII
Kenneth Williams
— Thomas Cromwell
Charles Hawtrey
— Sir Roger de Lodgerley
Joan Sims
— Queen Marie
Terry Scott
— Cardinal Wolsey
Barbara Windsor
— Bettina
Kenneth Connor
— Lord Hampton of Wick
Julian Holloway
— Sir Thomas
Peter Gilmore
— King Francis of France
Julian Orchard
— Duc de Pincenay
Gertan Klauber
— Bidet
David Davenport
— Major Domo
Margaret Nolan
— Buxom Lass
William Mervyn
— Dr. Finlay
Norman Chappell
— Plotter
Derek Francis
— Farmer
Bill Maynard
— Fawkes
Douglas Ridley
— Plotter
David Prowse
— Bearded Torturer
Monika Dietrich
— Katherine Howard
Marjie Lawrence
— Mistress Scrub
Patsy Rowlands
— Ex-Queen
Billy Cornelius
— Guard
Alan Curtis
— Conte Filippo di Pisa
Leon Greene
— Torturer
Vic Armstrong
— Rider (uncredited)
John Bluthal
— Moshe Montmorency (uncredited)
Peter Butterworth
— Charles, Earl of Bristol (uncredited)
Les Clark
— Man with Dog (uncredited)
Micky Clarke
— Servant (uncredited)