Cayman Islands Grassroots Football. William Humphreys: Sports Portrait (2019) is a Documentary film that follows william Humphreys has been involved in the Cayman Islands Football Community for over 25 years. He's been a player in the league, referee and coach. He now runs a football program at his local Church Field to help the youth of the Cayman Islands learn about the joys of playing football. Cayman Islands Grassroots Football. William Humphreys: Sports Portrait is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of documentary movies may also want to explore similar titles below.