| Mr Samuel Whipplestone | | Foreign Office (retired) |
| Lucy Lockett | | A cat |
| The Ambassador in London for Ng’ombwana | |
| A Lady | | |
| A Young Gentleman | Of Messrs Able & Virtue | |
| A Youth | Land & Estate Agents | |
| Chubb | | House Servant |
| Mrs Chubb | | His wife |
| A Veterinary Surgeon | | |
| Mr Sheridan | | No.1a Capricorn Walk (basement flat) |
| His Excellency | | The Boomer, President of Ng’ombwana |
| Bartholomew Opala, CBE | | |
| An ADC | | |
| Mr and Mrs Pirelli | | Of the Napoli, shop-keepers |
| Colonel Cockburn-Montfort | | Late of the Ng’ombwanan Army (retired) |
| Mrs Cockburn-Montfort | | His wife |
| Kenneth Sanskrit | | Late of Ng’ombwana. Merchant |
| Xenoclea Sanskrit | | His sister. Of the Piggie Pottery, Capricorn Mews, SW3 |
| A mlinzi | | Spear Carrier to The Boomer |
| Sir George Alleyn, KCMG, etc. etc. | | |
| Superintendent Roderick Alleyn | | CID |
| Troy Alleyn | | Painter. His wife |
| Inspector Fox | | CID |
| Superintendent Gibson | | Special Branch, CID |
| Jacks | | A talented sergeant |
| Detective-Sergeant Bailey | | A finger-print expert |
| Detective-Sergeant Thompson | | A photographer |
| Sundry police, Ng’ombwanan servants and frequenters of the Capricorns, SW3 | | |
