Trøndelag Teater stages large-scale dance and musical performances.
Originally built in 1816, the theater is the oldest stage in Scandinavia in continuous use. In September 1997, the refurbished theater re-opened as part of a modern complex incorporating the old auditorium, supplemented by four new stages of various shapes and sizes. Kristian Seltun is the Theater Director. He replaced Otto Homlung in 2010.
Norwegian actor and theater director Henry Gleditsch took charge of Trøndelag Teater in 1937. His satirical style, provoking the authorities of the German occupation of Norway during World War II. Henry Gleditsch was executed in 1942 by forces under the command of Josef Terboven.
During World War II, the theater "had been a spearhead in the artists' fight against the dictatorship", according to a 2014 Klassekampen article. Furthermore, due to the nation building project, some things were to be kept hidden. The attitudes were also transferred to Trøndelag Teater. In 1948 a former movie star of Nazi Germany, was hired as an actress--Kirsten Heiberg.
Norwegian actor, stage producer and theater director Ola B. Johannessen made his stage debut at Det Norske Teatret in 1961 and worked at this theater from 1962 to 1970. He served as theater director at Trøndelag Teater from 1979 to 1994 and again at Trøndelag Teater from 1997 to 2000.