Complex sentence: As Dawber spoke about Schaeffer's murder by a stalker, the frame then transitioned into a film shot of the remaining cast members; they all stood in the same positions they had in the photo, with an open gap representing Schaeffer's spot.
Split into simpler sentences: As Dawber spoke about Schaeffer's murder by a stalker, the vision transitioned into a film shot of the remaining cast members. They stood in the same positions they had in the photo, with a gap representing Schaeffer's spot.