as Sir Hubert Ware
as Lady Magda Ware
as Michael Adye, KC
as Sir Henry Egerton, Chief of Scotland Yard
as Marston Gurney, Ware's Secretary
as Celia Gurney
as Eustace Ede
as Detective Inspector Watkins, CID
as Tommy Bold
as Ware's Gardener
as The Attorney General
as The Judge
as Ware's Butler
as Ware's Lover