Alec Guinness

Henry 'Dutch' Holland

Stanley Holloway

Albert Pendlebury

Sidney James

Lackery

Alfie Bass

Shorty

Marjorie Fielding

Mrs. Chalk

Edie Martin

Miss Evesham

John Salew

Parkin

Ronald Adam

Turner

Arthur Hambling

Wallis

Gibb McLaughlin

Godwin

John Gregson

Farrow

Clive Morton

Station Sergeant

Sydney Tafler

Clayton

Marie Burke

Señora Gallardo

Audrey Hepburn

Chiquita

William Fox

Gregory

Michael Trubshawe

British Ambassador

Ann Heffernan

Kiosk Girl

Jacques Brunius

Customs Official

Eugene Deckers

Customs Official

Paul Demel

Customs Official

Andreas Malandrinos

Customs Official

Cyril Chamberlain

Commander

Tony Quinn

Deputy Commander

Moultrie Kelsall

Detective Superintendant

Christopher Hewett

Inspector Talbot

Meredith Edwards

P. C. Williams

Patrick Barr

Divisional Detective Inspector

David Davies

City Policeman

Robert Shaw

Chemist at Police Exhibition

Richard Davies

Police Driver

Howard Lang

Policeman at window (uncredited)

George Spence

Racegoer (uncredited)