Complex sentence: Production had to be halted whilst the cast and crew searched for one of Danny John-Jules'Cat's teeth, which was lost whilst filming the "Pride and Prejudice World" scenes in the lakeside gazebo as he ate grapes.
Split into simpler sentences: Production had to be halted whilst the cast and crew searched for one of Danny John-Jules'Cat's teeth. Whilst filming the "Pride and Prejudice World" scenes in the lakeside gazebo, Danny John-Jules lost one of his "cat teeth" as he ate grapes.