Peter Sellers
as Inspector Jacques Clouseau
David Niven
as Sir Charles Lytton
Brenda De Banzie
as Angela Dunning
Capucine
as Simone Clouseau
Colin Gordon
as Tucker
John LeMesurier
as Defence Barrister
James Lanphier
as Saloud
Guy Thomajan
as Artoff
Michael Trubshawe
as Felix Townes
Riccardo Billi
as Aristotle Sarajos
Meri Wells
as Monica Fawn