Anna Moffo

Barbara Worth

Ida Galli

Isabelle Carter

Gastone Moschin

Sgt. Aloisius Thorpe

Peter Baldwin

Anthony Carter

Lance Percival

Supt. Grey

Giacomo Rossi Stuart

Ted Collins

Christopher Chittell

Georgie Kemple

Marisa Fabbri

Aunt Gladys Kemple

Quinto Parmeggiani

Lawrence Carter

Beryl Cunningham

Pauline Collins

Orchidea De Santis

Evelyn, the maid

Claudio Undari

Arthur, the valet

Franco Borelli

Stranger

Ballard Berkeley

Peter, the butler

Richard Caldicot

Mr. Caldicot, the lawyer

Michele Lupo