What’s ShoutBack! Theater? ShoutBack! – a one-act play, 10 to 15 minutes, usually humorous, often with rhyming lines. Small casts – 5 to 8 actors – allow several teams to perform in separate classrooms, at the same time. A ShoutBack! works much like call-and-respond gospel songs, without the singing. During the performance, emcee invites audience to ShoutBack! a line or two. Here’s Our Cast: Narrator – appears in some ShoutBack! ‘s. Actors – usually 3 to 5; mime with their dialog. Actors