Gloucestershire assistant head coach Ian Harvey extends his contract with the county until the end of 2019.
Gloucestershire batsman Will Tavare and all-rounder Graeme van Buuren extend their contracts until 2019 and 2018 respectively.
Left-arm seamer David Payne extends his contract with Division Two county Gloucestershire until 2019.
Gloucestershire seamer Craig Miles signs a new deal which keeps him with the Championship Division Two side until 2019.
Audio & Video
Worcestershire's Ben Cox's bat snaps on day three of their County Championship Division Two match at Gloucestershire.
Get news alerts for your favourite sports
Never miss the biggest stories from your favourite sport: set alerts via the BBC Sport app for football, cricket, tennis, golf and Formula 1.
All the latest podcasts, clips and quizzes from BBC World Service's weekly cricket magazine show.
Follow live cricket on the BBC
BBC Test Match Special returns with live commentary on every ball of England's tour of India this winter.
How to get into Cricket
How to get into cricket - physical exertion with a chess-like element in matches which range from half an hour to five days.