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 as

Carole Ann Ford as

Margaret Nolan as

Maggie Rennie as

Jean St. Clair as

Lisa Lee as

Peter Gilmore as

Michael Ripper as

George Benson as

Meredith Edwards as

Jeremy Clyde as

Aubrey Morris as

William Kendall as

Stratford Johns as The Voice (voice)

Ingrid Boulting as Schoolgirl