Rolf Johannes Berntzen was a Norwegian actor.

He was born in Bergen

Bergen

Bergen is the second largest city in Norway with a population of as of , . Bergen is the administrative centre of Hordaland county. Greater Bergen or Bergen Metropolitan Area as defined by Statistics Norway, has a population of as of , ....

. He co-founded Bergens Dramatiske Klubb in 1939, made his debut at Den Nationale Scene

Den Nationale Scene

Den Nationale Scene is the largest theatre in Bergen, Norway. Den Nationale Scene is also one of the oldest permanent theatre in Norway.-History:...

 in 1941 and was officially hired there in 1943. He stayed at Den Nationale Scene for his entire career, except for an intermezzo at the National Theatre

Nationaltheatret

The National Theatre in Oslo is one of Norway's largest and most prominent venues for performance of dramatic arts.The theatre had its first performance on 1 September 1899 but can trace its origins to Christiania Theatre, which was founded in 1829...

 from 1963 to 1964. He also guested Det Norske Teatret

Det Norske Teatret

Det Norske Teatret is a theatre in Oslo. The theatre was founded in 1912, after an initiative from Hulda Garborg and Edvard Drabløs. It opened in 1913, touring with two plays, Ervingen by Ivar Aasen and Rationelt Fjøsstell by Hulda Garborg...

, Oslo Nye Teater

Oslo Nye Teater

Oslo Nye Teater in Oslo is one of Norway's most visited theatres.The theatre opened in 1959 as a merge between Det Nye Teater and Folketeatret, and consists of four stages; Oslo Nye Hovedscenen, Oslo Nye Centralteatret, Oslo Nye Trikkestallen and Oslo Nye Caféscenen.-External links:*...

, Trøndelag Teater

Trøndelag Teater

Trøndelag Teater is a large theater in the city of Trondheim, in Sør-Trøndelag county, Norway.-Background:Trøndelag Teater stages large-scale dance and musical performances. Originally built in 1816, the theater is the oldest stage in Scandinavia in continuous use...

 and Rogaland Teater

Rogaland Teater

Rogaland Teater is a theatre in Stavanger, Norway.-Background:The theatre building was built in 1883, on a parcel of Kannik prestegård. It was designed by architect Hartvig Sverdrup Eckhoff, and had initially almost 500 seats. The building housed Stavanger Faste Scene from 1914 to 1921, and...

. He retired in 1985, but continued acting sporadically as a pensioner. His last performance was in 1996. He also had small roles in films.

In 1947 he married actress Karin Simonnæs

Karin Simonnæs

Karin Simonnæs was a Norwegian actress.She was born in Trondheim. She made her debut in 1945 at Den Nationale Scene, and was employed here until her death, except the years 1948 to 1950 when she worked at National Theatre. She also worked in Fjernsynsteatret. She was married to fellow actor Rolf...

 (1924–1984). He was decorated as Knight, First Class of the Royal Norwegian Order of St. Olav in 1979. He died in September 2005.