Lady L

Sophia Loren

Lady Louise Lendale / Lady L

Paul Newman

Armand Denis

David Niven

Dicky, Lord Lendale

Peter Ustinov

Prince Otto of Bavaria

Marcel Dalio

Sapper

Michel Piccoli

Lecoeur

Claude Dauphin

Inspector Mercier

Cecil Parker

Sir Percy

Philippe Noiret

Ambroise Gérôme

Jacques Dufilho

Bealu

Eugene Deckers

Koenigstein

Daniel Emilfork

Kobeleff

?

Hella Petri

Madam

Jean Wiener

Krajewski

Roger Trapp

Police Inspector Dubaron