| Record | Name | Role |
| ROLE132828 | Sampson; Nick | Cool, a valet / Understudy: Sir Harcourt Courtly |
| ROLE132829 | Frame; Richard | Martin, a manservant / Understudy: Richard Dazzle |
| ROLE132830 | Ready; Paul | Charles Courtly, Sir Harcourt's son |
| ROLE132831 | Cross; Matt | Richard Dazzle, Charles Courtly's friend |
| ROLE132832 | Beale; Simon Russell (12/01/1961-) | Sir Harcourt Courtly, Bart |
| ROLE132833 | Addy; Mark | Squire Max Harkaway |
| ROLE132834 | Service; Maggie | Pert, servant to the Harkaways / Understudy: Lady Gay Spanker |
| ROLE132835 | Markey; Simon | James, servant to the Harkaways / Understudy: Max Harkaway |
| ROLE132836 | Terry; Michelle | Grace Harkaway, Max Harkaway's niece |
| ROLE132837 | Jayawardena; Tony | Mark Meddle, attorney at law |
| ROLE132838 | Shaw; Fiona (1959-) | Lady Gay Spanker |
| ROLE132839 | Briers; Richard | Mr Adolphus Spanker, Lady Gay Spanker's husband |
| ROLE132840 | Inocian; Junix | Mr Solomon Isaacs |
| ROLE132841 | Whitworth; David | Doctor / Understudy: Mr Adolphus Spanker / Understudy: Martin |
| ROLE132842 | Extance; Mark | Servant / Understudy: Mark Meddle / Understudy: Cool / Understudy: James |
| ROLE132843 | Puwanarajah; Prasanna | Servant / Understudy: Charles Courtly / Understudy: Solomon Isaacs |
| ROLE132844 | Drummond; Fiona | Doctor's daughter / Understudy: Pert |
| ROLE132845 | Matthews; Laura | Doctor's daughter / Understudy: Grace Harkaway |
| ROLE132847 | Solomon; Sophie | Fiddle |
| ROLE132848 | Berry; David | Double Bass / Tuba |
| ROLE133088 | Watson; Ian | Accordion |
| Reference Number | Title | Date | Series |
| RNT/PR/4/1/869 | London Assurance | 2010 | Press Production Review Files |
| RNT/SM/1/609 | London Assurance | 2010 | Prompt Scripts |
| RNT/PO/3/1/141 | London Assurance | 2010 | Olivier Production Office Show Files |
| RNT/PR/2/5/37 | 'London Assurance' | c. [February] 2010 | Press Releases 2010-2019 |
| RNT/SM/2/4/191 | London Assurance | 2010 | Olivier Show Reports |
| RNT/AE/1/1/156 | London Assurance | 20 March 2010 | Digital Performance Videos |
| RNT/PL/2/1306 | Nicholas Hunter on London Assurance | 24/05/2010 | Platforms Programmes |
| RNT/PR/3/1021 | London Assurance | 2010 | Production Photographs |
| RNT/PR/4/2/9 | London Assurance | 25/05/2010-06/08/2010 | Press NT Live Broadcast Review Files |
| RNT/M/5/1 | London Assurance | 2010 | Trailers |
| RNT/PP/1/3/290 | London Assurance | 2010 | Olivier Programmes |
| RNT/PL/3/1153 | Nicholas Hytner on London Assurance | 24 May 2010 | Platforms Audio Recordings |
| RNT/E/3/3/83 | London Assurance | 2010 | Background Packs |
| RNT/PP/2/3/274 | London Assurance | 10 March 2010 | Olivier Posters |
| RNT/PR/2/5/13 | NT Live: 'London Assurance' - International release | 27 May 2010 | Press Releases 2010-2019 |
| RNT/PR/2/5/11 | The pilot season of NT Live culminates in 'London Assurance' | 21 April 2010 | Press Releases 2010-2019 |
| RNT/PR/2/5/43 | NT Live: 'London Assurance' - UK release | c. [May] 2010 | Press Releases 2010-2019 |
| RNT/A/7/42 | London Assurance | 2010 | Access Introduction Notes |
| RNT/CO/1/633 | London Assurance | 2010 | Costume Department Production Files |
| RNT/AE/1/2/182 | Nicholas Hytner on London Assurance | 24 May 2010 | Platform Video Recordings |
| RNT/D/1/1/5 | London Assurance | 28 June 2010 | NT Live Broadcast Recordings |
| RNT/AE/1/1/157 | London Assurance | 20 March 2010 | Digital Performance Videos |
| RNT/LI/3/529 | London Assurance | 2010 | Scripts - Later Drafts |
| RNT/LI/1/209 | London Assurance | 2008-2009 | Scripts - First Drafts |