By @astronomyblog & @LoveGraphs. Stats last updated 4 January 2019.
It seems there may have been at least 54 shows and 368 listed appearances. With 7 people per show, Comedy.co.uk and Wikipedia are missing at least 3% of appearances (and probably a similar percent of people). The host/captains/regulars have included Greg Davies (Taskmaster × 54), Alex Horne (Assistant × 54).
Total appearances:
Guest appearances i.e. ignoring the host/captains/regulars:
All people:
Guests i.e. ignoring the host/captains/regulars:
Last updated: 2019/01/04