Frankie Howerd

as Alphonse of Monte Carlo / Alfred Askett

Dora Bryan

as Amber Spottiswood

George Cole

as 'Flash' Harry

Reg Varney

as Gilbert

Raymond Huntley

as Sir Horace, the Minister

Richard Wattis

as Manton Bassett

Portland Mason

as Georgina

Terry Scott

as Policeman

Eric Barker

as Culpepper Brown

Godfrey Winn

as Truelove

Colin Gordon

as Noakes

Desmond Walter-Ellis

as Leonard Edwards

Arthur Mullard

as Big Jim

Norman Mitchell

as William

Cyril Chamberlain

as Maxie

Larry Martyn

as Chips

Leon Thau

as Pakistani Porter

Elspeth Duxbury

as Veronica Bledlow

Barbara Couper

Carole Ann Ford

Margaret Nolan

Maggie Rennie

Jean St. Clair

Lisa Lee

Peter Gilmore

Michael Ripper

George Benson

Meredith Edwards

Jeremy Clyde

Aubrey Morris

William Kendall

Stratford Johns

as The Voice (voice)

Ingrid Boulting

as Schoolgirl