Peter Sellers

Robert Danvers

Goldie Hawn

Marion

Tony Britton

Andrew Hunter

Nicky Henson

Jimmy

Diana Dors

John's Wife

Judy Campbell

Lady Heather

Gabrielle Drake

Julia Halforde-Smythe

Nicola Pagett

Claire the Bride

Thorley Walters

Manager of Carlton Hotel

Ruth Trouncer

Gilly Hunter

Françoise Pascal

Paola

Raf De La Torre

Monsieur Le Guestier

Marianne Stone

Reporter

John Comer

John, the porter

Robin Parkinson

Le reporter aux lunettes

Constantine Gregory

Michel Le Guestier

Avril Angers

English Tourist in Lift

Margaret Lacey

Autograph Hunter at Wedding

Eric Barker

Wedding Guest (uncredited)

Christopher Cazenove

Nigel (uncredited)

Andre Charisse

Concierge (uncredited)

Mark Dignam

Wedding Guest (uncredited)

Pearl Hackney

Wedding Guest (uncredited)

Roy Lansford

Waiter (uncredited)

Robin Parkinson

Reporter (uncredited)

Lance Percival

Willie the Bridegroom (uncredited)

John Serret

Elevator Operator (uncredited)

Roy Skelton

Reporter (uncredited)