Low Budget Voice Over is a dubbing handle where one performer has to supply the dialogue for all the performers on stage. Two, or more, actors on stage will start a scene. When they move their mouths the dialogue will be supplied by the designated performer.
Three performers on stage supply the dialogue for each other by dubbing vacant blath.ering mouths
Two, or more, actors on stage will start a scene where they move their mouthes as if speaking, but the dialogue is supplied by the other performer.