Thomas Giertsen is a Norwegian

Norwegians

Norwegians constitute both a nation and an ethnic group native to Norway. They share a common culture and speak the Norwegian language. Norwegian people and their descendants are found in migrant communities worldwide, notably in United States, Canada and Brazil.-History:Towards the end of the 3rd...

 producer, stand-up comedian

Comedian

A comedian or comic is a person who seeks to entertain an audience, primarily by making them laugh. This might be through jokes or amusing situations, or acting a fool, as in slapstick, or employing prop comedy...

 and actor

Actor

An actor is a person who acts in a dramatic production and who works in film, television, theatre, or radio in that capacity...

 from Oslo

Oslo

Oslo is a municipality, as well as the capital and most populous city in Norway. As a municipality , it was established on 1 January 1838. Founded around 1048 by King Harald III of Norway, the city was largely destroyed by fire in 1624. The city was moved under the reign of Denmark–Norway's King...

.

He runs a production company named Feelgood Scene, Film & TV. He played "Jacob Sand" in the Norwegian

Norwegians

Norwegians constitute both a nation and an ethnic group native to Norway. They share a common culture and speak the Norwegian language. Norwegian people and their descendants are found in migrant communities worldwide, notably in United States, Canada and Brazil.-History:Towards the end of the 3rd...

 movie Kvinnen i mitt liv
Other than this one movie part he has hosted or co-hosted several TV-shows like "Mandagsklubben",
"ikveld med Thomas Giertsen" and "Torsdagsklubben".
But he is probably most known for his skills as a stand-up comedian

Comedian

A comedian or comic is a person who seeks to entertain an audience, primarily by making them laugh. This might be through jokes or amusing situations, or acting a fool, as in slapstick, or employing prop comedy...

and for getting his arm broken while arm-wrestling a woman during a stand up show.