 | Stewart Rome als Francis Xavier Benedik / Boswell Marsh |
 | John Longden als Anthony Xavier 'Tony' Benedik |
 | Dorothy Boyd als Petronella 'Peter' Rickforth |
 | Charles Paton als Samuel Faraday Rickforth |
 | Leslie Mitchell als Basil Woolrich |
 | Sybil Grove als Elsa Victoria Fairburn, Benedik's housekeeper |
 | Cecil Clayton als Mr Musgrove, theatre ticket agent |
| Fletcher Lightfoot als William Prout, Benedik's butler |
 | Edmund Willard als Captain Inigo 'Glassy' James |
 | Eileen Lamb als Christabel Pagan, Benedik's private secretary |
| Fred Schwarz als MacDonald, creditor |
| Michael Powell | Director |
| G.C. Wingrove | Art Direction |
| Arthur Seabourne | Editor |
| Philip MacDonald | Novel |
| Rex Howarth | Sound |
| Jerome Jackson | Producer |
| Geoffrey Faithfull | Director of Photography |
| Arthur Grant | Director of Photography |
| W.G. Saunders | Set Designer |
| Michael Powell | Screenplay |
| Jerome Jackson | Screenplay |
| Philip MacDonald | Screenplay |
| Joseph Jefferson Farjeon | Screenplay |
