ACTION HEROES -- English actor David Harewood (left) and his US co-star Bill Sadler as seen in the new TV cop movie "Bermuda Grace'' which will be screened later this year. The last film crew members leave the Island today, hoping to return if they get the go-ahead for a series. Producer Miss Christabel Albery said she believed TV executives were very excited about the project. "It's looking very positive,'' she added.