David Hemmings
Benjamin Oakes / Walter Leybourne
Joanna Pettet
Josephine Pacefoot
George Sanders
Sir Francis Leybourne
Dany Robin
Babette
Warren Mitchell
Count Pandolfo
John Bird
Home Secretary
William Rushton
Sylvester Wall
Bill Fraser
Inspector MacPherson
Avril Angers
Flora's Mother
Maurice Denham
Editor, The Times
Martita Hunt
Headmistress
Betty Marsden
Felicity
Hugh Burden
Lord Tennyson
Arnold Diamond
Charles Dickens
Tessie O'Shea
Music Hall Singer
Clement Freud
Mr. Mason
Carol Friday
Flora
Jan Holden
Lady Dilke
John Cleese
Jones (uncredited)
Veronica Carlson
Lilly (uncredited)
Peter Jeffrey
Sherlock Holmes (uncredited)
Thorley Walters
Doctor Watson (uncredited)
Penny Spencer
Evelyn (uncredited)
Queenie Watts
Old Crone (uncredited)
Margaret Nolan
Busty Prostitute (uncredited)
Milton Reid
Henchman (uncredited)
Ferdy Mayne
First Petitioner (uncredited)
Eric Barker
(uncredited)
Joe Lynch
Policeman (uncredited)
William Mervyn
Cabinet Minister (uncredited)
Charles Lloyd Pack
Second Petitioner (uncredited)
Jessie Robins
Machinist (uncredited)
Marianne Stone
Machinist (uncredited)
Le Club des Libertins
Released