The Character/Scene Breakdown is a scene-by-scene (and often page-by-page) analysis of the which characters perform in each scene, but can also be used to tag the technical requirements for each scene. It's most helpful to the stage manager for keeping track of the essence of each scene, and for setting up rehearsals. But, it's also useful for other staff members, including those doing publicity.
This template is meant for use in a musical. A version for non-musicals is also available for download.
Both templates are in MS Excel, and can be modified to suit your needs.