- Author:
- George A. Birmingham
- Adapted for television by:
- Robert Christie
- Producer:
- Douglas Allen
- Settings designer:
- Stephen Bundy
- Assistant producer:
- Cecil Petty
- Constable Cole R.I.C.:
- Paul Connell
- Constable Moriarty R.I.C.:
- Donovan Winter
- Dr. Lucius O'Grady:
- Richard Leech
- Patsy Devlin:
- Tony Quinn
- Jimmy O'Loughlin:
- John Kelly
- The Earl of Manton:
- Wyndham Goldie
- English servant:
- Sam Wilkinson
- Guy Theodore Red:
- Paul Demel
- Miss Blow:
- Ursula Howells
- Biddy:
- Ethel O'Shea
- Mrs. O'Halloran:
- Maureen Pryor
- Wilkins butler:
- John Vere
- Sergeant Farrelly R.I.C.:
- E.J. Kennedy
- Mr. Goddard District Inspector:
- Hugh Moxey
- Miss Farquharson:
- Violet Gould
- Mrs. Saunders:
- Jane Whiting
- Mrs. Dick:
- Ellen Martin
- Richard Dick M.P.:
- Victor Platt
- John Saunders, M.P:
- Richard Caldicot
- Others taking part:
- John Nugee
- Others taking part:
- Alexis de Gallien
- Others taking part:
- Marguerite Young
- Others taking part:
- Bill Hitchcock
- Others taking part:
- Howell Davies
- Others taking part:
- Harry Hearne
- Others taking part:
- Roy Nightingale
- Others taking part:
- Gerald Vane
- Others taking part:
- Tommy Moore
- Others taking part:
- Derek Hodgson