Stewart Rome

Francis Xavier Benedik / Boswell Marsh

John Longden

Anthony Xavier 'Tony' Benedik

Dorothy Boyd

Petronella 'Peter' Rickforth

Charles Paton

Samuel Faraday Rickforth

Leslie Mitchell

Basil Woolrich

Sybil Grove

Elsa Victoria Fairburn, Benedik's housekeeper

Cecil Clayton

Mr Musgrove, theatre ticket agent

Fletcher Lightfoot

William Prout, Benedik's butler

Edmund Willard

Captain Inigo 'Glassy' James