The Millionairess

Sophia Loren

as Epifania Parerga

Peter Sellers

as Dr. Kabir

Vittorio De Sica

as Joe

Alastair Sim

as Sagamore

Dennis Price

as Adrian

Gary Raymond

as Alastair

Miriam Karlin

as Mrs. Joe

Noel Purcell

as Professor Merton

Virginia Vernon

as Polly Smith

Eleanor Summerfield

as Mrs. Willoughby

Pauline Jameson

as Muriel Pilkington

Alfie Bass

as Fish Curer

Graham Stark

as Butler

Diana Coupland

as Nurse

Willoughby Goddard

as President

Basil Hoskins

as First Secretary

Gordon Sterne

as Second Secretary

Tempe Adam

as Gloria

Wally Patch

as Whelk Seller

Charles Hill

as Corelli

Derek Nimmo

as 3rd Secretary (uncredited)

Peter Sallis

as Minor Role (uncredited)