Which opera has more acts, Trial by Jury or Luisa Miller?
Trial by Jury: Trial by Jury is a comic opera in one act, with music by Arthur Sullivan and libretto by W. S. Gilbert. Luisa Miller: Luisa Miller is an opera in three acts by Giuseppe Verdi to an Italian libretto by Salvadore Cammarano, based on the play "Kabale und Liebe" ("Intrigue and Love") by the German dramatist Friedrich von Schiller.
Luisa Miller