Sid James as Sir Rodney Ffing, the Black Fingernail

Kenneth Williams as Citizen Camembert

Jim Dale as Lord Darcy Pue

Charles Hawtrey as Duc de Pommfrit

Peter Butterworth as Citizen Bidet

Joan Sims as Désirée Dubarry

Dany Robin as Jacqueline

Peter Gilmore as Citizen Robespierre

Marianne Stone as Landlady

Michael Ward as Henri

Leon Greene as Malabonce

David Davenport as Sergeant

Richard Shaw as Captain of Soldiers

Valerie Van Ost as Second Lady / Girl at Execution

Jennifer Clulow as First Lady

Jacqueline Pearce as Third Lady

Lewis Alexander as Citizen (uncredited)

Patrick Allen as Narrator (voice) (uncredited)

Peter Avella as Citizen (uncredited)

Alan Bennett as Soldier (uncredited)

Peter Brace as Soldier (uncredited)

Margaret Bracken as Citizen (uncredited)

Jim Brady as Citizen (uncredited)

Ronnie Brody as Little Man (uncredited)

Peter Bruce as Soldier (uncredited)

Fanny Carby as Rake's Wife (uncredited)

Pauline Chamberlain as Woman at Execution (uncredited)

Jimmy Charters as Citizen (uncredited)

Terence Conoley as Servant (uncredited)

June Cooper as Girl (uncredited)

Billy Cornelius as Soldier (uncredited)

Monika Dietrich as Girl (uncredited)

Eddie Dillon as Citizen (uncredited)

Pat Enright as Soldier (uncredited)

Lee Fenton as Ball Guest (uncredited)

Otto Friese as Aristocrat (uncredited)

Hugh Futcher as Guard (uncredited)

Fred Haggerty as Soldier (uncredited)

Jacquie Harbord as Ball Guest (uncredited)

George Holdcroft as Aristocrat (uncredited)

Lew Hooper as Solider / Citizen (uncredited)

Joan Ingram as Bald-Headed Dowager (uncredited)

Penny Keen as Girl (uncredited)

Cyril Kent as Citizen (uncredited)

Maurice Lane as Soldier (uncredited)

Susan Lane as Girl (uncredited)

Aileen Lewis as Citizen (uncredited)

Dickey Luck as Citizen (uncredited)

Martin Lyder as Soldier (uncredited)

Fred Machon as Soldier (uncredited)

Diana MacNamara as Princess Stephanie (uncredited)

Alf Mangan as Executioner's Assistant (uncredited)

Elspeth March as Lady Binder (uncredited)

Alan Meacham as Ball Guest (uncredited)

John More as Citizen (uncredited)

John Morris as Soldier (uncredited)

Norman Morris as Soldier (uncredited)

Michael Nightingale as "What locket?" Man (uncredited)

Louise Nolan as Citizen (uncredited)

Julian Orchard as Rake (uncredited)

Gerald Paris as Soldier (uncredited)

Harry Phipps as Citizen (uncredited)

Henry Phipps as Citizen (uncredited)

Dido Plumb as Citizen (uncredited)

Christine Pryor as Girl (uncredited)

Elaine Rickard as Citizen (uncredited)

Douglas Roe as Soldier (uncredited)

Johnny Rossi as Citizen (uncredited)

Tina Simmons as French Girl (uncredited)

George Spence as Citizen (uncredited)

Emile Stemmler as Servant (uncredited)

Rita Tobin-Weske as Citizen (uncredited)

Nikki Van der Zyl as Messenger (uncredited)

Gerry Wain as Soldier (uncredited)

Anna Willoughby as Girl (uncredited)

Karen Young as Girl (uncredited)