| The Rt. Hon. George Admaston, M. P. | Eille Norwood |
| Roderick Collingwood | Charles Quartermaine |
| Lord Ellerdine | Evelyn Beerbohm |
| Sir John Burroughes, President of the Divorce Court, | Herbert Budd |
| Sir Robert Fyffe, K. C., M. P., Admaston's leading counsel, | Sidney Valentine |
| Gervaise McArthur, K. C., Collingwood's leading counsel, | Lewis Broughton |
| Stuart Menzies, K. C., Collingwood's leading counsel, | Denis Cleugh |
| Jacques, waiter at the Hôtel des Tuileries | Walter Cluxton |
| Jean DuBois, detective | John Wilmer |
| Foreman of the jury | James Stuart |
| Footman | Frank Dossert |
| Lady Attwill | Olive Temple |
| Pauline, Miss Admaston's maid | Loretta Wells |
| Peggy, George Admaston's wife | Madge Titheradge |