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

Geraldine Sherman

Caroline

Thorley Walters

Manager of Carlton Hotel

Ruth Trouncer

Gilly Hunter

Françoise Pascal

Paola

Tom Marshall

Bryan

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

Georges Lambert

Floor Waiter

Margaret Lacey

Autograph Hunter at Wedding

Jack Armstrong

Wedding Guest (uncredited)

Eric Barker

Wedding Guest (uncredited)

Ernest Blyth

Wedding Guest (uncredited)

Christopher Cazenove

Nigel (uncredited)

Andre Charisse

Concierge (uncredited)

Mark Dignam

Wedding Guest (uncredited)

Hugh Elton

Photographer (uncredited)

Mabel Etherington

Wedding Guest (uncredited)

Muriel Greenslade

Wedding Guest (uncredited)

Pearl Hackney

Wedding Guest (uncredited)

Victor Harrington

Wedding Guest (uncredited)

George Holdcroft

Wedding Guest (uncredited)

Gordon Humphries

Reporter (uncredited)

Juba Kennerley

Wedding Guest (uncredited)

Roy Lansford

Waiter (uncredited)

Fred Machon

Sightseer at Wedding (uncredited)

Robin Parkinson

Reporter (uncredited)

James Payne

Reporter (uncredited)

Lance Percival

Willie the Bridegroom (uncredited)

Edith Raye

Wedding Guest (uncredited)

Bob Raymond

Hotel Porter (uncredited)

Terry Sartain

Reporter (uncredited)

Ian Selby

Wine Taster (uncredited)

John Serret

Elevator Operator (uncredited)

Caroline Seymour

Nigel's Girl Friend (uncredited)

Roy Skelton

Reporter (uncredited)

John Tatham

Wedding Guest (uncredited)

John Timberlake

Cellarman (uncredited)

Cy Town

Photographer (uncredited)

Colin Vancao

Cigar-Smoking Wedding Guest (uncredited)

Mickey Varey

Constable (uncredited)