Sidney James

Sir Rodney Ffing, the Black Fingernail

Kenneth Williams

Citizen Camembert

Jim Dale

Lord Darcy Pue

Charles Hawtrey

Duc de Pommfrit

Peter Butterworth

Citizen Bidet

Joan Sims

Désirée Dubarry

Dany Robin

Jacqueline

Peter Gilmore

Citizen Robespierre

Marianne Stone

Landlady

Michael Ward

Henri

Leon Greene

Malabonce

Valerie Van Ost

Second Lady / Girl at Execution

Jacqueline Pearce

Third Lady

Patrick Allen

Narrator (voice) (uncredited)

Jim Brady

Citizen (uncredited)

Ronnie Brody

Little Man (uncredited)

Joan Ingram

Bald-Headed Dowager (uncredited)

Michael Nightingale

"What locket?" Man (uncredited)

Gerald Paris

Soldier (uncredited)

Dido Plumb

Citizen (uncredited)

Emile Stemmler

Servant (uncredited)

Nikki Van der Zyl

Messenger (uncredited)