from C. B. Van Dixhoorn, ed. The Minutes and Papers of the Westminster Assembly, 1643-1652 (Oxford: Oxford University Press, 2012), vol. 1:178.
| Office | Person | Dates |
| Prolocutor | William Twisse | 1 July 1643 – 20 July 1646 |
| Prolocutor | Charles Herle | 22 July 1646 – 19 Oct. 1649 |
| First assessor | Cornelius Burges | 8 July 1643 – 19 Oct. 1649 |
| Second assessor | John White | 8 July 1643 – Aug. 1646 |
| Second assessor | Herbert Palmer (pro temp) | 1 Jan. 1646 – 23 Sept. 1646 |
| Second assessor | Herbert Palmer | 23 Sept. 1646 – Sept. 1647 |
| Second assessor | William Gouge | 26 Nov. 1647 – 19 Oct. 1649 |
| Scribe | Adoniram Byfield | 6 July 1643 – 25 March 1653 |
| Scribe | Henry Robrough | 6 July 1643 – 19 Oct. 1649 |
| Scribe | John Wallis | 20 Dec. 1643 – 19 Oct. 1649 |
| Servant | Mr Brook | 1 July 1643? – c.26 Oct. 1643 |
| Servant | Aldam Frame | 1 July 1643? – c.1 March 1645 |
| Servant | Mr Letherhead | 6 March 1645–1649 or 1653? |