Brecht reportedly did not write a complete shooting script, but rather produced "notes" and "parts of a manuscript" (according to Faber) for this short, silent film and intended the actors to improvise the action.

[2] In an interview with Erwin Faber, who played Dr. Moras—the "romantic star" of the film—it was clear that Mysteries of a Barbershop was intended by Brecht in this, his first attempt at filmmaking, to be nothing more than "just a little joke.

"[3] Mysteries of a Barbershop was created during a month-long pause before the beginning of rehearsals for Bertolt Brecht's early drama, In the Jungle of Cities at the Munich National Theatre, in February 1923.

Brecht and Erich Engel (the director of In the Jungle), assembled a cast that included Karl Valentin, Liesl Karlstadt (Valentin's cabaret partner), Erwin Faber (the leading actor in Munich at the time and star of Brecht's three staged plays in Munich – Drums in the Night, In the Jungle of Cities, and the forthcoming Edward II), Max Schreck (soon to be a leading film actor in such films as Nosferatu), comic actor Josef Eichheim, character actor Kurt Horwitz, Carola Neher (later to play the lead in Brecht's Happy End and the role of Polly in the film of Threepenny Opera) and the cabaretist (and wife of songwriter, Friedrich Hollaender), Blandine Ebinger.

The group improvised a series of comic and mock-romantic scenes, which, according to one critic, "contains enough cruelty jokes to have made WC Fields envious.