The Floor Manager is the Director's representative on the studio floor, and is responsible for giving instruction and direction to crew, cast and guests. It is closest to the role of an Assistant Director, as the job frequently entails barking orders to keep a production moving to schedule. The Floor Manager is always in direct contact with the Director via talkback

Talkback (recording)

In sound recording, talkback refers to the intercom system used in recording studios and production control rooms in television studios to enable personnel to communicate with people in the recording area or booth...

in the gallery. Also checks that the floor is clear and safe for the performance required; checks that any scenery or set piece is ready to be used as required; turns on the appropriate lights; gives announcements to staff and audience; helps to maintain the set quiet and in order; calls cues to begin the action and prompts talents as required.

• Assistant Floor Manager

An Assistant Floor Manager (frequently abbreviated to AFM) is responsible for setting a stage and prompting contributors on the studio floor and ensuring that everyone knows their place in the script, freeing the Floor Manager for other duties. They often oversee a team of Runners. Increasingly, Assistant Floor Managers are being asked to assist with the design and preparation of props, as well as setting and resetting the action on the studio floor.